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Math Problems
Grade 8
Consumer math
Multi-step problems with percents
Percent of a number: tax, discount, and more
Compound interest
Find the percent: tax, discount, and more
Unit prices with unit conversions
Simple interest
Unit prices
Linear functions
Evaluate a linear function: word problems
Write linear functions: word problems
Evaluate a linear function
One-variable statistics
Calculate mean absolute deviation
Changes in mean, median, mode, and range
Mean, median, mode, and range: find the missing number
Calculate mean, median, mode, and range
Calculate quartiles and interquartile range
Identify an outlier and describe the effect of removing it
Expressions
Evaluate one-variable expressions
Evaluate multi-variable expressions
Evaluate absolute value expressions
Write variable expressions: one operation
Evaluate rational expressions
Evaluate radical expressions
Write variable expressions: word problems
Identify terms and coefficients
Equivalent expressions
Add and subtract like terms
Interpreting Linear Expressions
Identify equivalent linear expressions: word problems
Add and subtract linear expressions
Factors of linear expressions
Multiply using the distributive property
Identify equivalent linear expressions I
One-variable inequalities
Solve multi-step inequalities
Solve inequalities with decimals: variables on both sides
Solutions to inequalities
Solve two-step inequalities
Solve one-step inequalities
Square roots and cube roots
Square roots of perfect squares
Estimate positive square roots
Positive and negative square roots
Cube roots of positive perfect cubes
Estimate positive and negative square roots
Cube roots of positive and negative perfect cubes
Estimate cube roots
Relationship between squares and square roots
Solve equations using cube roots
Square roots of perfect squares
Square roots of perfect squares
Cube roots of positive and negative perfect cubes
Cube roots of positive and negative perfect cubes
Square roots of perfect squares
Square roots of perfect squares
Square roots of perfect squares
Square roots of perfect squares
Square roots of perfect squares
Square roots of perfect squares
Solve equations using square roots
Percents
Percents of numbers and money amounts
Solve percent equations
Percent of change
Percents of numbers: word problems
Percent of change: word problems
Percent of change: find the original amount word problems
Find what percent one number is of another: word problems
Find what percent one number is of another
Convert between percents, fractions, and decimals
Compare percents of numbers
Estimate percents of numbers
Two-dimensional figures
Find missing angles in quadrilaterals II
Find missing angles in triangles
Find missing angles in quadrilaterals I
Classify quadrilaterals II
Find missing angles in triangles using ratios
Classify triangles
Probability
Probability of simple events
Probability of independent and dependent events
Experimental probability
Make predictions
Compound events: find the number of outcomes
Identify independent and dependent events
Rational numbers
Add and subtract rational numbers
Multiply and divide rational numbers
Multi-step word problems
Multiply and divide rational numbers: word problems
Evaluate numerical expressions involving rational numbers
Add and subtract rational numbers: word problems
Convert between repeating decimals and fractions
Time and work rate problems
Reciprocals and multiplicative inverses
Convert between decimals and fractions or mixed numbers
Compare rational numbers
Units of measurement
Mixed customary units
Convert between customary and metric systems
Convert between Celsius and Fahrenheit
Convert rates and measurements: metric units
Convert rates and measurements: customary units
Proportional relationships
Write and solve equations for proportional relationships
One-variable equations
Solve multi-step equations with fractional coefficients
Solve equations with variables on both sides
Which x satisfies an equation?
Solve equations with variables on both sides: fractional coefficients
Find the number of solutions
Solve equations with the distributive property
Write an equation from words
Solve equations with variables on both sides: word problems
Solve one-step and two-step equations: word problems
Write an equation word problem
Solve multi-step equations
Solve two-step equations
Solve one-step equations
Solve equations: mixed review
Create equations with no solutions or infinitely many solutions
Solve equations involving like terms
Write and solve equations that represent diagrams
Exponents
Evaluate powers
Power of a power: integer bases
Evaluate powers with negative or zero exponents
Powers with negative bases
Negative Exponents
Evaluate expressions using properties of exponents
Multiply and divide powers: variable bases
Solve equations with variable exponents
Evaluate powers with negative exponents
Writing from expanded to exponent form
Understanding negative exponents
Powers of a power: variable bases
Multiply powers: integer bases
Multiply powers: variable bases
Identify equivalent expressions involving exponents I
Linear equations
Write a linear equation from two points
Write a linear equation from a slope and a point
Describe the graph of a linear equation
Is (x, y) a solution to the linear equation?
Write a linear equation from a slope and y-intercept
Slope-intercept form: find the slope and y-intercept
Slopes of parallel and perpendicular lines
Convert a linear equation in standard form to slope-intercept form
Scientific notation
Add and subtract numbers written in scientific notation
Multiply numbers written in scientific notation
Compare numbers written in scientific notation
Divide numbers written in scientific notation
Convert between standard and scientific notation
Scientific notation on calculators
Direct variation
Write and solve direct variation equations
Write direct variation equations
Sequences
Write variable expressions for arithmetic sequences
Geometric sequences
Evaluate variable expressions for sequences
Identify arithmetic and geometric sequences
Sequences: mixed review
Arithmetic sequences
Sequences: word problems
Proportions
Solve proportions: word problems
Estimate population size using proportions
Solve proportions
Scale drawings: word problems
Nonlinear functions
Is (x, y) a solution to the nonlinear equation?
Evaluate a nonlinear function
Systems of equations
Solve a system of equations using any method
Solve a system of equations using any method: word problems
Solve a system of equations using elimination
Classify a system of equations
Solve a system of equations using substitution: word problems
Solve a system of equations using elimination: word problems
Find the number of solutions to a system of equations
Solve a system of equations using substitution
Is (x, y) a solution to the system of equations?
Perimeter and area
Circles: word problems
Area and perimeter: word problems
Rational and irrational numbers
Checkpoint: Rational and irrational numbers
Identify rational and irrational numbers
Classify numbers
Identify rational and irrational square roots
Integers
Add and subtract three or more integers
Add and subtract integers: word problems
Multiply and divide integers
Integer addition and subtraction rules
Add and subtract integers
Pythagorean theorem
Pythagorean theorem: word problems
Converse of the Pythagorean theorem: is it a right triangle?
Surface area and volume
Volume of cylinders
Function concepts
Domain and range of functions
Identify independent and dependent variables
Identify functions
Two-variable statistics
Identify representative, random, and biased samples
Transformations and congruence
Translations: find the coordinates
Slope
Find a missing coordinate using slope