Grade 9 Algebra Word Problems
Related Pages Grade 8 Algebra Word Problems Algebra Word Problems Solving Equations More Algebra Lessons
These lessons cover grade 9 algebra word problems involving age, distance, rate, time and coins with examples and step-by-step solutions. It includes various examples and solutions for algebra word problems that you will commonly encounter in 9th grade.
Algebra Word Problems | ||
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Age Word Problems
Age Problems with two unknowns or variables
Example: Taylor is five times as old as Spenser. The sum of their ages is eighteen. How old are Taylor and Spencer?
Solution: Let x represent Spenser’s age Therefore, Taylor’s age is 5x x + 5x = 18 6x = 18 x = 3 Therefore, Spenser is 3 years old and Taylor is 15 years old.
Grade 9 Algebra Word Problems - Age
Example 1: A mother is three times as old as her daughter. Six years ago, the mother’s age was six tines that of her daughter. How old are they now?
Solution: Let x represent the daughter’s age. Therefore, 3x is the mother’s age. 6(x - 6) = 3x - 6 6x - 6 = 3x - 6 3x = 30 x = 10 Therefore, the daughter’s is 10 years old and the mother is 30 years old.
Example 2: A father is now three times as old as his son. Eight years ago, the father was five times as old as his son. How old are they now?
Rate, Distance, Time Word Problems
Grade 9 Algebra Word Problems - Rate, Distance, Time
Example: A bus leaves the terminal and averages 40 km/hr. One hour late, a second bus leaves the same terminal and averages 50 km/hr. In how many hours will the second bus overtake the first?
Grade 9 Rate, Distance, Time Word Problems
Example 1: One motorist travels 5 km.hr faster than another. They leave from the same place and travel in opposite directions. What is the rate of each if they are 195 km apart after 3 hours?
Example 2: A pilot flew from airport A to airport B at a rate of 100 km/hr and flew back from airport B to airport A at 120 km/hr. The total time it took was 11 hours. How far is it from airport A to airport B?
Coin Word Problems
Grade 9 Algebra Word Problems - Coins
Example: A coin collection amounting to $25 consists of nickels and dimes. There are 3 times as many nickels and dimes. There are 3 times as many nickels as dimes. How many coins of each kind are there?
Solution: Let x = number of dimes 3x = number of nickels 10x + 5(3x) = 2500 25x = 2500 x = 100 Therefore, there are 100 dimes and 300 nickels.
Grade 9 Coin Algebra Word Problems
Example: Mr. Rogers has $4.62. He has 3 times as many dimes as nickels and 6 more pennies than dimes. How many coins of each kind does he have?
Coin Algebra Word Problems - Grade 9
Example: Bob has in his pocket a number of pennies, 5 times as many nickels as pennies and 5 more quarters than pennies. The coins amount to $2.27. Find the number of each kind of coin.
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9th grade math lessons are planned and introduce in different activities. 9th grade math help is provided for the 9th grade students in all segments to cover all the math lesson plans which are categorized into Arithmetic, Algebra, Geometry and Mensuration.
All types of solved examples on different topics are explained along with the step-by-step solutions. 9th grade math practice sheets are arranged in such a way that students can learn math while practicing math problems.
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To get prepared for 9th grade math test or exams students need to learn graphing lines on the coordinate plane, solving literal equations, compound inequalities, graphing inequalities in two variables, multiplying binomials, polynomials, factoring techniques for trinomials, solving systems of equations, algebra word problems, variation, rational expressions, rational equations, graphs & functions, circles, construction, triangle theorems & proofs, properties of polygons, transformations, trigonometry and etc……
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Ninth Grade Math Lessons – Table of Contents
Rational Numbers
Decimal Representation of Rational Numbers
Rational Numbers in Terminating and Non-Terminating Decimals
Recurring Decimals as Rational Numbers
Laws of Algebra for Rational Numbers
Comparison between Two Rational Numbers
Rational Numbers Between Two Unequal Rational Numbers
Representation of Rational Numbers on Number Line
Problems on Rational numbers as Decimal Numbers
Problems Based On Recurring Decimals as Rational Numbers
Problems on Comparison Between Rational Numbers
Problems on Representation of Rational Numbers on Number Line
Worksheet on Rational Number as Decimal Numbers
Worksheet on Recurring Decimals as Rational Numbers
Worksheet on Comparison between Rational Numbers
Worksheet on Representation of Rational Numbers on the Number Line
Irrational Numbers
Definition of Irrational Numbers
Decimal Representation of Irrational Number
Representation of Irrational Numbers on The Number Line
Comparison between Two Irrational Numbers
Comparison between Rational and Irrational Numbers
Real number between Two Unequal Real Numbers
Rationalization
Problems on Irrational Numbers
Problems on Rationalizing the Denominator
Worksheet on Irrational Numbers
Profit and Loss
Cost Price, Selling Price and Rates of Profit and Loss
Problems on Cost Price, Selling Price and Rates of Profit and Loss
Understanding Overheads Expenses
Worksheet on Cost Price, Selling Price and Rates of Profit and Loss
Understanding Discount and Mark Up
Successive Discount
Worksheet on Discount and Markup
Worksheet on the application of overhead Expenses
Worksheet on Successive Discounts
Compound Interest
Introduction to Compound Interest
Compound Interest as Repeated Simple Interest
Formulae for Compound Interest
Comparison between Simple Interest and Compound Interest
Worksheet on Compound Interest as Repeated Simple Interest
Worksheet on Use of Formula for Compound Interest
Algebra/Linear Algebra
Expansion of Powers of Binomials and Trinomials
Expansion of (a ± b)^2
Expansion of (a ± b ± c)^2
Expansion of (x ± a)(x ± b)
Express a^2 + b^2 + c^2 – ab – bc – ca as Sum of Squares
Completing a Square
Simplification of (a + b)(a – b)
Application Problems on Expansion of Powers of Binomials and Trinomials
Worksheet on Expansion of (a ± b)^2 and its Corollaries
Worksheet on Expanding of (a ± b ± c)^2 and its Corollaries
Worksheet on Expansion of (x ± a)(x ± b)
Worksheet on Completing Square
Worksheet on Simplification of (a + b)(a – b)
Worksheet on Application Problems on Expansion of Powers of Binomials and Trinomials
Expansion of (a ± b)^3
Simplification of (a ± b)(a^2 ∓ ab + b^2)
Simplification of (a + b + c)(a^2 + b^2 + c^2 – ab – bc – ca)
Expansion of (x + a)(x + b)(x + c)
Problems on Expanding of (a ± b)^3 and its Corollaries
Factorization
Introduction to Factorization
Problems on Factorization by Grouping of Terms
Problems on Factorization of Expressions of the Form a^2 – b^2
Problems on Factorization Using a^2 – b^2 = (a + b)(a – b)
Factorization of a Perfect-square Trinomial
Factorization of Expressions of the Form x^2 + (a + b)x + ab
Factorization of Expressions of the Form ax^2 + bx + c, a ≠ 1
Problems on Factorization of Expressions of the Form x^2 +(a + b)x +ab
Worksheet on Factorization of the Trinomial ax^2 + bx + c
Factorization of Expressions of the Form a^3 + b^3
Factorization of Expressions of the Form a^3 - b^3
Factorization of expressions of the Form a^3 + b^3 + c^3 – 3abc
Factorization of Expressions of the Form a^3 + b^3 + c^3, a + b + c = 0
Miscellaneous Problems on Factorization
Worksheet on Factorization
Linear Equations
Linear Equation in One Variable
Solution of a Linear Equation in One Variable
Laws of Equality
Method of Solving a Linear Equation in One Variable
Problems on Application of Linear Equations
Different Types of Problems in Linear Equation in One Variable
Worksheet on Linear Equation in One Variable
Worksheet on Forming of Linear Equations in One Variable
Worksheet on Solving a Word Problem by using Linear Equation in One Unknown
Changing the Subject of a Formula
Establishing an Equation
Subject of a Formula
Change of Subject of Formula
Evaluation of Subject by Substitution
Problem on Change the Subject of a Formula
Worksheet on Framing a Formula
Worksheet on Change of Subject
Simultaneous Linear equations
Solution of a Linear Equation in Two Variables
Method of Elimination
Method of Substitution
Method of Cross Multiplication
Exponents/Indices
Power of a Number
Laws of Indices
nth Root of a
Quadratic Equation
Introduction to Quadratic Equation
Formation of Quadratic Equation in One Variable
Solving Quadratic Equations
General Properties of Quadratic Equation
Methods of Solving Quadratic Equations
Roots of a Quadratic Equation
Examine the Roots of a Quadratic Equation
Problems on Quadratic Equations
Quadratic Equations by Factoring
Word Problems Using Quadratic Formula
Examples on Quadratic Equations
Worksheet on Formation of Quadratic Equation in One Variable
Worksheet on Quadratic Formula
Worksheet on Nature of the Roots of a Quadratic Equation
Worksheet on Word Problems on Quadratic Equations by Factoring
Geometry and Measurement
Classification of Triangles on the Basis of Their Sides and Angles
Medians and Altitudes of a Triangle
Geometrical Property of Altitudes
Properties of Angles of a Triangle
Congruency of Triangles
Criteria for Congruency
Problems on Congruency of Triangles
Any point on the bisector of an angle is equidistant from the arms of that angle
An Altitude of an Equilateral Triangle is also a Median
Bisectors of the Angles of a Triangle Meet at a Point
Application of Congruency of Triangles
Angles Opposite to Equal Sides of an Isosceles Triangle are Equal
Equal Sides of an Isosceles Triangle are Produced , the Exterior Angles angles are equal.
The Three Angles of an Equilateral Triangle are Equal.
Sides Opposite to the Equal Angles of a Triangle are Equal
Three Angles of an Equilateral Triangle are Equal
Problems on Properties of Isosceles Triangles
Problem on Two Isosceles Triangles on the Same Base
Lines Joining the Extremities of the Base of an Isosceles Triangle
Points on the Base of an Isosceles Triangle
Theorem on Isosceles Triangle
Inequalities in Triangles
Greater Side has the Greater Angle Opposite to It
Greater Angle has the Greater Side Opposite to It
The Sum of any Two Sides of a Triangle is Greater than the Third Side
Perpendicular is the Shortest Theorem
Comparison of Sides and Angles in a Triangle
Problem on Inequalities in Triangle
Sum Of Any Two Sides Is Greater Than Twice The Median
Sum of the Four Sides of a Quadrilateral Exceeds the Sum of the Diagonals
Midpoint Theorem
Converse of Midpoint Theorem
Four Triangles which are Congruent to One Another
Straight Line Drawn from the Vertex of a Triangle to the Base
Midpoint Theorem on Trapezium
Midsegment Theorem on Trapezium
Midpoint Theorem on Right-angled Triangle
Collinear Points Proved by Midpoint Theorem
Equal Intercepts Theorem
Problems on Equal Intercepts Theorem
Midpoint Theorem by using the Equal Intercepts Theorem
Proof By the Equal Intercepts Theorem
Enlargement Transformation
Reduction Transformation
Properties of size Transformation
Similar Triangles
Criteria of Similarity between Triangles
AA Criterion of Similarity
Basic Proportionality Theorem
Converse of Basic Proportionality Theorem
Application of Basic Proportionality Theorem
Greater segment of the Hypotenuse is Equal to the Smaller Side of the Triangle
AA Criterion of Similarly on Quadrilateral
Pythagoras’ Theorem
Converse of Pythagoras’ Theorem
Applying Pythagoras’ Theorem
Riders Based on Pythagoras’ Theorem
Rectilinear Figures
Sum of the Interior Angles of an n-sided Polygon
Sum of the Exterior Angles of an n-sided Polygon
Parallelogram
Concept of Parallelogram
Opposite Sides of a Parallelogram are Equal
Opposite Angles of a Parallelogram are Equal
Diagonals of a Parallelogram Bisect each Other
A Quadrilateral is a Parallelogram if its Diagonals Bisect each Other
Pair of Opposite Sides of a Parallelogram are Equal and Parallel
A Rhombus is a Parallelogram whose Diagonals Meet at Right Angles
A Parallelogram whose Diagonals Intersect at Right Angles is a Rhombus
In a Rectangle the Diagonals are of Equal Lengths
A Parallelogram, whose Diagonals are of Equal Length, is a Rectangle
Diagonals of a Square are Equal in Length & they Meet at Right Angles
Diagonals of a Parallelogram are Equal & Intersect at Right Angles
Conditions for Classification of Quadrilaterals and Parallelograms
Bisectors of the Angles of a Parallelogram form a Rectangle
Area of a Closed Figure
Base and Height (Altitude) in a Triangle and a Parallelogram
Every Diagonal of a Parallelogram Divides it into Two Triangles of Equal Area
Parallelogram on the Same Base and Between the Same Parallel Lines are Equal in Area
Area of a Parallelogram is Equal to that of a Rectangle Between the Same Parallel Lines
Area of a Triangle is Half that of a Parallelogram on the Same Base and between the Same Parallels
Triangles on the Same Base and between the Same Parallels are Equal in Area
Triangles with Equal Areas on the Same Base have Equal Corresponding Altitudes
Problems on Finding Area of Triangle and Parallelogram
Area of the Triangle formed by Joining the Middle Points of the Sides of a Triangle is Equal to One-fourth Area of the given Triangle
The Area of a Rhombus is Equal to Half the Product of its Diagonals
If Each Diagonal of a Quadrilateral Divides it in Two Triangles of Equal Area then Prove that the Quadrilateral is a Parallelogram
Statistics and Statistical Data
Representation of Data
Statistical Variable
Range of the Statistical Data
Frequency of the Statistical Data
Mean of Ungrouped Data
Arithmetic Mean
Word Problems on Arithmetic Mean
Properties of Arithmetic Mean
Problems Based on Average
Problems on Mean of Ungrouped Data
Properties Questions on Arithmetic Mean
Median of Raw Data
Problems on Median of Ungrouped Data
Worksheet on Mean of Ungrouped Data
Worksheet on Median of Ungrouped Data
Frequency Distribution
Class Interval
Tally Marks
Constructing Frequency Distribution Tables
Class Limits
Class Boundaries
Nonoverlapping Class Intervals into Overlapping Class Intervals
Cumulative Frequency
Mensuration
Plane Figures
Perimeter and Area of Plane Figures
Perimeter and Area of a Rectangle
Geometrical Properties of a Square
Perimeter and Area of a Triangle
Perimeter and Area of Mixed Figures
Perimeter and Area of Rhombus
Perimeter and Area of Parallelogram
Perimeter and Area of Irregular Figures
Perimeter and Area of Regular Hexagon
Area and Circumference of a Circle
Area of a Circular Ring
Area and Perimeter of a Semicircle
Area and Perimeter of Combined Figures
Solid Figures
Cube and Cuboid
Volume and Surface Area of Cuboid
Volume and Surface Area of Cube
Volume and Surface Area of Cube and Cuboid
Volume of Cuboid
Volume of Cube
Lateral Surface Area of a Cuboid
Cross Section
Right Circular Cylinder
Hollow Cylinder
Problems on Right Circular Cylinder
- Probability
Random Experiments
Experimental Probability
Events in Probability
Empirical Probability
Coin Toss Probability
Probability of Tossing Two Coins
Probability of Tossing Three Coins
Complimentary Events
Mutually Exclusive Events
Mutually Non-Exclusive Events
Conditional Probability
Theoretical Probability
Odds and Probability
Playing Cards Probability
Probability and Playing Cards
Probability for Rolling Two Dice
Solved Probability Problems
Probability for Rolling Three Dice
Pre-calculus
Mathematical models with applications, basic trigonometry.
Trigonometry : Beginning of trigonometry and invention of trigonometry and how and why trigonometry is important.
Measurement of Trigonometric Angles : In trigonometry learn about the measurement of angles.
Different systems of measurement of angles and their units.
Sexagesimal System : Concept on understanding Sexagesimal System, problems on Sexagesimal System.
Circular System : Concept on understanding Circular System, problems on Circular System.
Radian is a Constant Angle : Proof that radian is a constant angle.
Relation between Sexagesimal and Circular : Learn about the relation between the units of the two systems.
Conversion from Sexagesimal to Circular System : Learn how to convert or express Sexagesimal to Circular System.
Conversion from Circular to Sexagesimal System : Learn how to convert or express Circular to Sexagesimal Systemm.
Co-ordinate Geometry
Independent Variables and Dependent Variables
Coordinates of a Point
Rectangular Cartesian Coordinates of a Point
Quadrants and Convention for Signs of Coordinates
Plotting a Point in Cartesian Plane
Coordinate Geometry Graph
Graph of Standard Linear Relations Between x, y
Slope of the Graph of y = mx + c
y-intercept of the Graph of y = mx + c
Drawing Graph of y = mx + c Using Slope and y-intercept
Problems on Plotting Points in the x-y Plane
Problems on Slope and Y-intercept
Worksheet on Plotting Points in the Coordinate Plane
Worksheet on Graph of Linear Relations in x, y
Worksheet on Slope and Y-intercept
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Free Printable Math Worksheets for 9th Grade
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Math worksheets for Grade 9 are an essential resource for teachers to help their students master the various mathematical concepts and skills required at this level. These worksheets cover a wide range of topics, including algebra, geometry, trigonometry, and statistics, providing ample practice for students to build a strong foundation in mathematics. Teachers can use these worksheets to supplement their lesson plans, assign as homework, or provide additional practice for struggling students. With a variety of question types and difficulty levels, Grade 9 math worksheets cater to the diverse learning needs of students, ensuring that they are well-prepared for the challenges of high school mathematics.
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9th GRADE MATH PRACTICE PROBLEMS
Problem 1 :
Simplify √20 - √225 + √80
Decompose 20, 225 and 80 into prime factors.
![algebra problem solving grade 9 algebra problem solving grade 9](https://www.onlinemath4all.com/images/simplifyingradicalexpressiondoubtq1.png)
√20 = √2 ⋅ 2 ⋅ 5 = 2√5
√225 = √5 ⋅ 5 ⋅ 3 ⋅ 3 = 5 ⋅ 3 = 15
√225 = √2 ⋅ 2 ⋅ 2 ⋅ 2 ⋅ 5 = (2 ⋅ 2)√5 = 4√5
Then, we have
√ 20 - √ 225 + √ 80 = 2√5 - 15 + 4√5
√ 20 - √ 225 + √ 80 = 6 √5 - 15
√ 20 - √ 225 + √ 80 = 6√5 - 15
√ 20 - √ 225 + √ 80 = 3(2√5 - 5)
Problem 2 :
The perimeter of the rhombus is 20 cm. One of the diagonals is of length 8 cm. Find the length of the other diagonal.
In a rhombus, the diagonals are intersecting at right angles.
Perimeter of rhombus = 20 cm
4a = 20
a = 5 cm
Length of diagonal = 8 cm
Half of diagonal = 4
Let x be the half of the other diagonal.
5 2 = 4 2 + x 2
25 = 16 + x 2
x 2 = 25 - 16
x 2 = 9
x = 3
Length of other diagonal = 2(3)
= 6 cm
Problem 3 :
Jerry and Silvia wanted to go from the southwest corner of a square field to the northeast corner. Jerry walked due east and then due north to reach the goal, but Silvia headed northeast and reached the goal walking in a straight line. How much shorter Silvia's trip was, compared to Jerry's trip?
![algebra problem solving grade 9 algebra problem solving grade 9](https://www.onlinemath4all.com/images/9thgrademathtest3q3.png)
Let AB = 1, BC = 1
Then AC = √1 2 + 1 2
AC = √2
Distance covered by Jerry = 1 + 1 ==> 2
Distance covered by Silvia = √2
Difference of distance covered = 2 - √2
= 2 - 1.414
= 0.586
= (0.586/ 2) ⋅ 100%
= 30%
So Silvia's trip is 30% shorter than the Jerry's trip.
Problem 4 :
Solve log 10 (2x + 50) = 3
log 10 (2x + 50) = 3
2x + 50 = 10 3
2x = 1000-50
2x = 950
x = 425
So, the value of x is 425.
Problem 5 :
A set has only one element is called ____________ set
A set has only one element is called as singleton set.
Problem 6 :
Which of the following statement represents this Venn diagram?
![algebra problem solving grade 9 algebra problem solving grade 9](https://www.onlinemath4all.com/images/3s6q.png)
In the given venn diagram, the common region for both A and B is not shaded, then the remaining part of B is shaded. So the correct statement is B-A.
Problem 7:
If (x+p) (x+q) = x 2 -5x-300, find the value of p² + q²
(x+p) (x+q) = x 2 -5x-300
x 2 +(p+q)x+pq = x 2 -5x-300
p+q = -5 and pq = -300
p 2 +q 2 = (p+q) 2 - 2pq
= (-5) 2 -2(-300)
= 25 + 600
p 2 +q 2 = 625
Problem 8 :
The point of concurrence of the angle bisector of a triangle is called the _____________ of the triangle.
The point of concurrence of the angle bisector of a triangle is called the incenter of the triangle. 9
Problem 9 :
The angles are supplementary and larger angle is twice the smaller angle.Find the angles.
Let x be the smaller angle
2x - larger angle
2x+x = 180
3x 180
x = 60
So, the required angles are 60 and 120.
Problem 10 :
Find the distance between the points
A (-15,-3) and B (7, 1)
Distance between two points = √(7+15) 2 + (1+3) 2
= √(-22) 2 + 4 2
= √(484 + 16)
= √500
= 10 √5
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9th Grade Math Worksheets: FREE & Printable
Looking for free printable 9th grade Math Worksheets and activities to help your student prepare for the 9th Grade math course? If so, then look no further!
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Want to measure your 9th-grade student’s knowledge of Math concepts and assess their exam readiness? If so, then look no further.
Here is a comprehensive collection of FREE printable 9th-grade Math worksheets that would help students in 9th Grade Math preparation and practice.
Download our free Mathematics worksheets for 9th Grade Math.
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The Absolute Best Book to Ace 9th Grade Math
Algebra I for Beginners The Ultimate Step by Step Guide to Acing Algebra I
9th grade math concepts.
- Translate Phrases into an Algebraic Statement
- Order of Operations
- Properties of Numbers
- The Distributive Property
- Scientific Notation
Expressions and Equations
- Simplifying Variable Expressions
- One–Step Equations
- Multi–Step Equations
- Finding Midpoint
- Finding Distance of Two Points
- Absolute Value Equations
Linear Functions
- Finding Slope
- Graphing Lines Using Line Equation
- Writing Linear Equations
- Graphing Linear Inequalities
- Slope and Rate of Change
- Find the Slope x–intercept and y–intercept
- Write an Equation from a Graph
- Slope –intercept Form and Point –slope Form
- Equations of Horizontal and Vertical Lines
- Equation of Parallel or Perpendicular Lines
- Graphing Absolute Value Equations
- Greatest Common Factor
- Least Common Multiple
- GCF of Monomials
- Factoring Quadratics
- Factoring by Grouping
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Inequalities and System of Equations
- One–Step Inequalities
- Two–Step Linear Inequalities
- Advanced Linear Inequalities
- Solve Compound Inequalities
- Solve Absolute Value Inequalities
- Systems of Equations
- Systems of Equations Word Problems
Monomials Operations
- Add and Subtract Monomials
- Multiply and Divide Monomials
- Quadratic Equation
- Graphing Quadratic Functions
- Quadratic Equations
- Solve a Quadratic Equation by Factoring
- Quadratic Formula and Transformations of Quadratic Functions
- Quadratic Formula and the Discriminant
Polynomial Operations
- Simplifying Polynomials
- Adding and Subtracting Polynomials
- Multiplying a Polynomial and a Monomial
- Multiply Two Polynomials
- Multiply Two Binomials
- Operations with Polynomials
- Factor Polynomials
- Factoring Special Case Polynomials
Radical Expressions
- Simplifying Radical Expressions
- Multiplying Radical Expressions
- Simplifying Radical Expressions Involving Fractions
- Adding and Subtracting Radical Expressions
- Domain and Range of Radical Functions
- Solving Radical Equations
Rational Expressions
- Simplifying and Graphing Rational Expressions
- Adding and Subtracting Rational Expressions
- Multiplying and Dividing Rational Expressions
- Solving Rational Equations and Complex Fractions
Statistics and Probabilities
- Probability Problems
- Combinations and Permutations
Statistics and Probabilities
9th grade math practice questions, fractions and decimals, real numbers and integers, proportions and ratios, algebraic expressions, equations and inequalities, polynomials, exponents and radicals, solid figures.
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by: Effortless Math Team about 4 years ago (category: Blog , Free Math Worksheets )
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9th Grade Algebra Worksheets
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Grade 9 math
IXL offers hundreds of grade 9 math skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, provincial curriculum, or standardized test.
- 1 Classify numbers
- 2 Compare rational numbers
- 3 Put rational numbers in order
- 4 Number lines
- 5 Convert between decimals and fractions
- 6 Square roots of perfect squares
- 7 Square roots of fractions and decimals
- 8 Estimate square roots
B. Operations
- 1 Add, subtract, multiply and divide integers
- 2 Evaluate numerical expressions involving integers
- 3 Evaluate variable expressions involving integers
- 4 Add and subtract rational numbers
- 5 Add and subtract rational numbers: word problems
- 6 Multiply and divide rational numbers
- 7 Multiply and divide rational numbers: word problems
- 8 Evaluate numerical expressions involving rational numbers
- 9 Evaluate variable expressions involving rational numbers
C. Ratios, rates and proportions
- 1 Identify equivalent ratios
- 2 Write an equivalent ratio
- 3 Unit rates
- 4 Unit prices
- 5 Solve proportions
- 6 Solve proportions: word problems
- 7 Scale drawings: word problems
D. Percents
- 1 Convert between percents, fractions and decimals
- 2 Solve percent equations
- 3 Percent word problems
- 4 Percent of change
- 5 Percent of change: word problems
E. Geometry
- 1 Perimeter
- 3 Area of compound figures
- 4 Area between two shapes
- 6 Count lines of symmetry
- 7 Draw lines of symmetry
- 8 Interior angles of polygons
- 9 Transversal of parallel lines
- 10 Volume of prisms and pyramids
- 11 Volume of cones and cylinders
- 12 Volume of spheres
- 13 Nets of three-dimensional figures
- 14 Surface area of prisms and pyramids
- 15 Surface area of cones and cylinders
- 16 Surface area of spheres
- 17 Similar figures: side lengths and angle measures
- 18 Similar triangles and indirect measurement
- 19 Area and perimeter of similar figures
- 20 Similar solids
- 21 Volume and surface area of similar solids
- 22 Perimeter, area and volume: changes in scale
- 23 Identify reflections, rotations and translations
- 24 Reflections, rotations and translations: find the coordinates
- 25 Reflections, rotations and translations: graph the image
- 26 Dilations and scale factors
- 27 Pythagorean theorem
- 28 Pythagorean theorem: word problems
- 29 Converse of the Pythagorean theorem: is it a right triangle?
- 1 Parts of a circle
- 2 Circles: calculate area, circumference, radius and diameter
- 3 Circles: word problems
- 4 Central angles
- 5 Arc measure and arc length
- 6 Area of sectors
- 7 Circle measurements: mixed review
- 8 Arcs and chords
- 9 Tangent lines
- 10 Perimeter of polygons with an inscribed circle
- 11 Inscribed angles
- 12 Angles in inscribed right triangles
- 13 Angles in inscribed quadrilaterals I
- 14 Angles in inscribed quadrilaterals II
G. Coordinate plane
- 1 Coordinate plane review
- 2 Quadrants and axes
- 3 Distance between two points
H. Properties
- 1 Properties of addition and multiplication
- 2 Distributive property
- 3 Simplify variable expressions using properties
- 4 Properties of equality
I. Exponents
- 1 Understanding exponents
- 2 Powers with integer bases
- 3 Powers with decimal and fractional bases
- 4 Negative exponents
- 5 Multiplication with exponents - integral bases
- 6 Division with exponents - integral bases
- 7 Multiplication and division with exponents - integral bases
- 8 Power rule - integral bases
- 9 Multiplication with exponents - variable bases
- 10 Division with exponents - variable bases
- 11 Multiplication and division with exponents - variable bases
- 12 Power rule - variable bases
- 13 Evaluate expressions using properties of exponents
- 14 Identify equivalent expressions involving exponents
J. Scientific notation
- 1 Convert between standard and scientific notation
- 2 Compare numbers written in scientific notation
- 3 Multiply numbers written in scientific notation
- 4 Divide numbers written in scientific notation
K. Problem solving
- 1 Word problems: mixed review
- 2 Word problems with money
- 3 Consecutive integer problems
- 4 Rate of travel: word problems
- 5 Weighted averages: word problems
L. Number sequences
- 1 Identify arithmetic and geometric sequences
- 2 Arithmetic sequences
- 3 Geometric sequences
- 4 Evaluate variable expressions for number sequences
- 5 Write variable expressions for arithmetic sequences
- 6 Write variable expressions for geometric sequences
- 7 Number sequences: mixed review
M. Variable expressions and equations
- 1 Write variable expressions
- 2 Simplify variable expressions involving like terms and the distributive property
- 3 Identify equivalent linear expressions
- 4 Write variable equations
- 5 Does x satisfy the equation?
- 6 Solve equations using order of operations
- 7 Rearrange multi-variable equations
N. Solve equations
- 1 Model and solve equations using algebra tiles
- 2 Write and solve equations that represent diagrams
- 3 Solve one-step linear equations
- 4 Solve two-step linear equations
- 5 Solve advanced linear equations
- 6 Solve equations with variables on both sides
- 7 Solve equations: complete the solution
- 8 Find the number of solutions
- 9 Create equations with no solutions or infinitely many solutions
- 10 Solve linear equations: word problems
- 11 Solve linear equations: mixed review
O. Single-variable inequalities
- 1 Graph inequalities
- 2 Write inequalities from graphs
- 3 Identify solutions to inequalities
- 4 Solve one-step linear inequalities: addition and subtraction
- 5 Solve one-step linear inequalities: multiplication and division
- 6 Solve one-step linear inequalities
- 7 Graph solutions to one-step linear inequalities
- 8 Solve two-step linear inequalities
- 9 Graph solutions to two-step linear inequalities
- 10 Solve advanced linear inequalities
- 11 Graph solutions to advanced linear inequalities
P. Data and graphs
- 1 Interpret bar graphs, line graphs and histograms
- 2 Create bar graphs, line graphs and histograms
- 3 Interpret circle graphs
- 4 Interpret stem-and-leaf plots
- 5 Interpret box-and-whisker plots
- 6 Interpret a scatter plot
- 7 Scatter plots: line of best fit
Q. Relations and functions
- 1 Relations: convert between tables, graphs, mappings and lists of points
- 2 Identify independent and dependent variables
- 3 Identify functions
- 4 Identify functions: vertical line test
- 5 Find values using function graphs
- 6 Evaluate a function
- 7 Evaluate a function: plug in an expression
- 8 Complete a function table from a graph
- 9 Complete a function table from an equation
- 10 Interpret the graph of a function: word problems
R. Direct variation
- 1 Identify proportional relationships
- 2 Find the constant of variation
- 3 Graph a proportional relationship
- 4 Write direct variation equations
- 5 Write and solve direct variation equations
S. Linear functions
- 1 Identify linear functions
- 2 Find the slope of a graph
- 3 Find the slope from two points
- 4 Find a missing coordinate using slope
- 5 Slope-intercept form: find the slope and y-intercept
- 6 Slope-intercept form: graph an equation
- 7 Slope-intercept form: write an equation from a graph
- 8 Slope-intercept form: write an equation
- 9 Slope-intercept form: write an equation from a table
- 10 Slope-intercept form: write an equation from a word problem
- 11 Linear equations: solve for y
- 12 Write linear functions to solve word problems
- 13 Complete a table and graph a linear function
- 14 Compare linear functions: graphs, tables and equations
- 15 Write equations in standard form
- 16 Standard form: find x- and y-intercepts
- 17 Standard form: graph an equation
- 18 Equations of horizontal and vertical lines
- 19 Graph a horizontal or vertical line
- 20 Point-slope form: graph an equation
- 21 Point-slope form: write an equation
- 22 Point-slope form: write an equation from a graph
- 23 Slopes of parallel and perpendicular lines
- 24 Write an equation for a parallel or perpendicular line
- 25 Transformations of linear functions
T. Systems of linear equations
- 1 Is (x, y) a solution to the system of equations?
- 2 Solve a system of equations by graphing
- 3 Solve a system of equations by graphing: word problems
- 4 Find the number of solutions to a system of equations by graphing
U. Monomials
- 1 Identify monomials
- 2 Multiply monomials
- 3 Multiply monomials to find area
- 4 Divide monomials
- 5 Multiply and divide monomials
- 6 Powers of monomials
V. Polynomials
- 1 Polynomial vocabulary
- 2 Model polynomials with algebra tiles
- 3 Add and subtract polynomials using algebra tiles
- 4 Add and subtract polynomials
- 5 Add polynomials to find perimeter
- 6 Multiply a polynomial by a monomial
- 7 Multiply polynomials to find area
- 8 Divide a polynomial by a monomial
- 1 Identify hypotheses and conclusions
- 2 Counterexamples
X. Probability
- 1 Theoretical probability
- 2 Experimental probability
- 3 Compound events: find the number of outcomes
- 4 Identify independent and dependent events
- 5 Probability of independent and dependent events
Y. Statistics
- 1 Calculate mean, median, mode and range
- 2 Interpret charts to find mean, median, mode and range
- 3 Mean, median, mode and range: find the missing number
- 4 Quartiles
- 5 Identify biased samples
Grade 9 Algebra Quiz Questions And Answers
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Hey, if you're looking for some new and unique algebra quiz questions and answers for grade 9th students, you've come to the right place. The below quiz is designed to test your understanding of the topics covered. Algebra is considered the most challenging subject by most people in grade nine, but this is essentially not true as all that one needs to understand to practice after covering every topic. Do you need some help with Algebra? Start by taking this quiz and watch out. Good luck!
The sum of 2 numbers is 46. One number is 12 more than the other. What are the numbers?
Rate this question:
Evaluate this equation for the given value of a and b. a 2 + b 2 , for a = 2 and b = 2
The sum of 3 consecutive whole numbers is 108. what are the numbers, jack is 5 years older than mary. in four years the sum of their age is 33 years old. what are their ages.
Mary is 10 years old, Jack is 15 years old
Mary is 9 years old, Jack is 19 years old
Mary is 12 years old, Jack is 17 years old
Mary is 8 years old, Jack is 19 years old
A basketball court is a rectangle with dimensions 29m by 16m. What is the length of a diagonal to the nearest meter?
Approximately 29
Approximately 30
Approximately 33
Approximately 32
Large pizzas cost $12.50 and small pizzas cost $9.00. The pizza parlor sold 38 pizzas with a total value of $415.50. How many of each type did the pizza parlor sell?
20 large, 17 small
22 large, 18 small
21 large, 17 small
23 large, 18 small
Find the value of x in this equation: (x - 4) / (- 6) = 3
Simplify this equation: (-5x - 10) / (x + 2), what are the x and y intercepts of the line 2x−3y+6=0, what will be the slope of the line with equation y - 4 = 10 .
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Algebra Questions with Answers for Grade 9. Grade 9 ratio algebra questions with answers are presented. Questions on solving linear and quadratic equations, simplifying expressions including expressions with fractions, finding slopes of lines are included. Solutions and detailed explanations are also included.
Grade 8 Algebra Word Problems Algebra Word Problems Solving Equations More Algebra Lessons. These lessons cover grade 9 algebra word problems involving age, distance, rate, time and coins with examples and step-by-step solutions. It includes various examples and solutions for algebra word problems that you will commonly encounter in 9th grade.
The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a function; Exponential models; and Quadratic equations, functions, and graphs. Khan Academy's Algebra 1 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!
The Mashup Math 9th Grade Math Worksheets Library shares topic and skill-specific practice worksheets specifically designed to meet the needs of 9th grade students. The worksheets cover a variety of math topics that are typically covered in any 9th grade math curriculum, including fractions and decimals, exponents, working with radicals, data ...
Solutions to grade 9 algebra questions related to solving equations, simplifying expressions and finding slopes are presented. Home; ... Free Questions and Problems With Answers High School Math (Grades 10, 11 and 12) - Free Questions and Problems With Answers Primary Math (Grades 4 and 5) with Free Questions and Problems With Answers Home Page
Grade 9 math practice test questions on algebra, geometry, trigonometry, and problem solving are presented along with their solutions on videos. Simplify the expressions. Solution on video at Simplify expressions with radicals, question 1. Expand and simplify the polynomials below. Solution on video at Expand and simplify polynomials, question 2.
Free 9th Grade Math Problems Worksheets. This collection shares over 100 free printable 9th grade math worksheets on topics including order of operations, fractions and decimals, solving equations, and graphing. Plus every worksheet includes a free answer key. Just scroll through the list of topics, select any one that you want, and click on it ...
Lesson 7. Surface Area and Volume. Pyramid and Cone. Free Math Worksheets and Activities Grade 9. Math Learning Strategies Grade 9. Free grade 9 math lessons and practice: videos, printable notes and worksheets, online quizzes and games. No subscription required.
Explore printable algebra worksheets for 9th Grade. Algebra worksheets for Grade 9 are essential resources for teachers who want to provide their students with a comprehensive understanding of algebraic concepts and applications. These worksheets cover a wide range of topics, including linear equations, quadratic functions, systems of equations ...
9th Grade Math. 9th grade math lessons are planned and introduce in different activities. 9th grade math help is provided for the 9th grade students in all segments to cover all the math lesson plans which are categorized into Arithmetic, Algebra, Geometry and Mensuration. All types of solved examples on different topics are explained along ...
Follow us. Improve your math knowledge with free questions in "Solve equations with variables on both sides" and thousands of other math skills.
Free Printable Math Worksheets for 9th Grade. Math just got more exciting for Grade 9 students! Discover a vast collection of free printable math worksheets by Quizizz, tailored to enhance learning and understanding. Dive into a world of fun and interactive problem-solving activities that will transform your classroom experience.
Free lessons, worksheets, and video tutorials for students and teachers. Topics in this unit include: solving degree 1 (linear) equations, balance method, inverse operations, solving simple and multi-step equations, solving equations involving fractions, and rearranging formulas. This follows chapter 4 of the principles of math grade 9 McGraw ...
9. Problem 9 : The angles are supplementary and larger angle is twice the smaller angle.Find the angles. Solution : Let x be the smaller angle. 2x - larger angle. 2x+x = 180. 3x 180. x = 60. So, the required angles are 60 and 120. Problem 10 : Find the distance between the points . A (-15,-3) and B (7, 1) Solution :
GeoGebra Math Practice. Math Practice is a tool for mastering algebraic notation. It supports students in their step-by-step math work, let's them explore different solution paths, and helps build confidence, fluency, and understanding. Getting started as a teacher or student.
Math Problems with Solutions and Explanations for Grade 9. Which number (s) is (are) equal to its (their) square? Solution. If x is the number to find, its square is x 2. x is equal to its square hence: x = x 2. Solve the above equation by factoring. First write with right side equal to zero. x - x 2 = 0. x (1 - x) = 0.
Divide 2 fractions and reduce the answer. Reduce Fractions Calculator. Rewrite Fractions in reduced form. Grade 9 math including algebra, geometry, trigonometry, problem solving questions and problems with solutions.
It tracks your skill level as you tackle progressively more difficult questions. Consistently answer questions correctly to reach excellence (90), or conquer the Challenge Zone to achieve mastery (100)! Learn more. Improve your math knowledge with free questions in "Solve equations: complete the solution" and thousands of other math skills.
Want to measure your 9th-grade student's knowledge of Math concepts and assess their exam readiness? If so, then look no further. Here is a comprehensive collection of FREE printable 9th-grade Math worksheets that would help students in 9th Grade Math preparation and practice. Download our free Mathematics worksheets for 9th Grade Math.
Rational Expressions and Equations, Set 2. Children will practice their skill at solving rational expressions and equations with this printable. Browse our printable 9th Grade Algebra Worksheets resources for your classroom. Download free today!
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IXL offers hundreds of grade 9 math skills to explore and learn! Not sure where to start? ... K. Problem solving. 1. Word problems: mixed review 2. Word problems with money 3. Consecutive integer problems 4. Rate of travel: word problems 5. Weighted averages: word problems ...
Simplifying this equation, we get 2x + 12 = 46. By subtracting 12 from both sides and dividing by 2, we find that x = 17. Therefore, the smaller number is 17 and the larger number is 17 + 12 = 29. Rate this question: 18 0. 2. Evaluate this equation for the given value of a and b. a 2 + b 2 , for a = 2 and b = 2. A.
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