π
Week 1: Integers
6 lessonsβ’~30 mins
Skills and concepts for Integers.
Eighth Grade Math
Linear equations, functions, and the Pythagorean theorem. Bridge to algebra and high school math.
Progress
0/188 lessons β’ 0%
Modules
β¨
Week 2: Rational numbers
6 lessonsβ’~30 mins
Skills and concepts for Rational numbers.
π
Week 3: Exponents
6 lessonsβ’~30 mins
Skills and concepts for Exponents.
π―
Week 4: Exponents
5 lessonsβ’~25 mins
Skills and concepts for Exponents.
π§©
Week 5: Exponents and scientific notation
5 lessonsβ’~25 mins
Skills and concepts for Exponents and scientific notation.
π§ͺ
Week 6: Scientific notation
5 lessonsβ’~25 mins
Skills and concepts for Scientific notation.
π
Week 7: Transformations and congruence
8 lessonsβ’~40 mins
Skills and concepts for Transformations and congruence.
π‘
Week 8: Transformations and congruence
7 lessonsβ’~35 mins
Skills and concepts for Transformations and congruence.
π
Week 9: Transformations and similarity
6 lessonsβ’~30 mins
Skills and concepts for Transformations and similarity.
β
Week 10: Similarity and equations
6 lessonsβ’~30 mins
Skills and concepts for Similarity and equations.
π
Week 11: Solving equations
7 lessonsβ’~35 mins
Skills and concepts for Solving equations.
β¨
Week 12: Solving equations
6 lessonsβ’~30 mins
Skills and concepts for Solving equations.
π
Week 13: Solving equations and proportional relationships
5 lessonsβ’~25 mins
Skills and concepts for Solving equations and proportional relationships.
π―
Week 14: Proportional relationships
7 lessonsβ’~35 mins
Skills and concepts for Proportional relationships.
π§©
Week 15: Linear functions
7 lessonsβ’~35 mins
Skills and concepts for Linear functions.
π§ͺ
Week 16: Linear functions
6 lessonsβ’~30 mins
Skills and concepts for Linear functions.
π
Week 17: Linear functions
5 lessonsβ’~25 mins
Skills and concepts for Linear functions.
π‘
Week 18: Linear functions
6 lessonsβ’~30 mins
Skills and concepts for Linear functions.
π
Week 19: Functions
5 lessonsβ’~25 mins
Skills and concepts for Functions.
β
Week 20: Functions
4 lessonsβ’~20 mins
Skills and concepts for Functions.
π
Week 21: Scatter plots
7 lessonsβ’~35 mins
Skills and concepts for Scatter plots.
β¨
Week 22: Scatter plots
6 lessonsβ’~30 mins
Skills and concepts for Scatter plots.
π
Week 23: Systems of equations
7 lessonsβ’~35 mins
Skills and concepts for Systems of equations.
π―
Week 24: Systems of equations
5 lessonsβ’~25 mins
Skills and concepts for Systems of equations.
π§©
Week 25: Square roots and cube roots
6 lessonsβ’~30 mins
Skills and concepts for Square roots and cube roots.
π§ͺ
Week 26: Square roots and cube roots
6 lessonsβ’~30 mins
Skills and concepts for Square roots and cube roots.
π
Week 27: Pythagorean theorem
5 lessonsβ’~25 mins
Skills and concepts for Pythagorean theorem.
π‘
Week 28: Pythagorean theorem
5 lessonsβ’~25 mins
Skills and concepts for Pythagorean theorem.
π
Week 29: Triangles
6 lessonsβ’~30 mins
Skills and concepts for Triangles.
β
Week 30: Angles
7 lessonsβ’~35 mins
Skills and concepts for Angles.
π
Week 31: Volume and surface area
5 lessonsβ’~25 mins
Skills and concepts for Volume and surface area.
β¨
Week 32: Probability
5 lessonsβ’~25 mins
Skills and concepts for Probability.
All Lessons (188)
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188
Compare and Order Integers
Ordering integers is easier on a number line: farther right means greater.
Add and subtract integers
Master the concepts of Add and subtract integers.
Add and subtract three or more integers
Master the concepts of Add and subtract three or more integers.
Multiply and Divide Integers
Sign rules make integer multiplication and division predictable.
Add and subtract integers: word problems
Master the concepts of Add and subtract integers: word problems.
Evaluate numerical expressions involving integers
Master the concepts of Evaluate numerical expressions involving integers.
Convert between repeating decimals and fractions
Master the concepts of Convert between repeating decimals and fractions.
Convert between decimals and fractions or mixed numbers
Master the concepts of Convert between decimals and fractions or mixed numbers.
Compare rational numbers
Master the concepts of Compare rational numbers.
Put rational numbers in order
Master the concepts of Put rational numbers in order.
Add and subtract rational numbers
Master the concepts of Add and subtract rational numbers.
Multiply and divide rational numbers
Master the concepts of Multiply and divide rational numbers.
Understanding exponents
Master the concepts of Understanding exponents.
Evaluate Powers
A power means repeated multiplication of a base.
Powers with negative bases
Master the concepts of Powers with negative bases.
Powers with decimal and fractional bases
Master the concepts of Powers with decimal and fractional bases.
Understanding negative exponents
A negative exponent doesn't make a number negative! Instead, it means 'reciprocal' or 'flip'. It's a way of writing very small numbers (fractions) using the power of exponents.
Evaluate powers with negative exponents
Master the concepts of Evaluate powers with negative exponents.
Multiply powers: integer bases
Master the concepts of Multiply powers: integer bases.
Divide powers: integer bases
Master the concepts of Divide powers: integer bases.
Multiply and divide powers: integer bases
Master the concepts of Multiply and divide powers: integer bases.
Power of a power: integer bases
Master the concepts of Power of a power: integer bases.
Identify equivalent expressions involving exponents I
Master the concepts of Identify equivalent expressions involving exponents I.
Identify equivalent expressions involving exponents II
Master the concepts of Identify equivalent expressions involving exponents II.
Evaluate expressions using properties of exponents
Master the concepts of Evaluate expressions using properties of exponents.
Checkpoint skill Checkpoint: Properties of exponents
Master the concepts of Checkpoint skill Checkpoint: Properties of exponents.
Convert between standard and scientific notation
Scientific notation is a way to write very large or very small numbers compactly. It's used by scientists to talk about everything from the distance to stars to the size of an atom without writing out a ton of zeros!
Scientific notation on calculators
Master the concepts of Scientific notation on calculators.
Compare numbers written in scientific notation
Master the concepts of Compare numbers written in scientific notation.
Add and subtract numbers written in scientific notation
Master the concepts of Add and subtract numbers written in scientific notation.
Multiply numbers written in scientific notation
Master the concepts of Multiply numbers written in scientific notation.
Divide numbers written in scientific notation
Master the concepts of Divide numbers written in scientific notation.
Checkpoint skill Checkpoint: Scientific notation
Master the concepts of Checkpoint skill Checkpoint: Scientific notation.
Identify reflections, rotations, and translations
Master the concepts of Identify reflections, rotations, and translations.
Translations: graph the image
Master the concepts of Translations: graph the image.
Translations: find the coordinates
Master the concepts of Translations: find the coordinates.
Translations: write the rule
Master the concepts of Translations: write the rule.
Reflections over the x- and y-axes: graph the image
Master the concepts of Reflections over the x- and y-axes: graph the image.
Reflections over the x- and y-axes: find the coordinates
Master the concepts of Reflections over the x- and y-axes: find the coordinates.
Reflections: graph the image
Master the concepts of Reflections: graph the image.
Reflections: find the coordinates
Master the concepts of Reflections: find the coordinates.
Rotations: graph the image
Master the concepts of Rotations: graph the image.
Rotations: find the coordinates
Master the concepts of Rotations: find the coordinates.
Sequences of congruence transformations: choose the sequence
Master the concepts of Sequences of congruence transformations: choose the sequence.
Sequences of congruence transformations: graph the image
Master the concepts of Sequences of congruence transformations: graph the image.
Identify congruent figures
Master the concepts of Identify congruent figures.
Congruence statements and corresponding parts
Master the concepts of Congruence statements and corresponding parts.
Side lengths and angle measures of congruent figures
Master the concepts of Side lengths and angle measures of congruent figures.
Checkpoint skill Checkpoint: Congruence transformations
Master the concepts of Checkpoint skill Checkpoint: Congruence transformations.
Dilations: graph the image
Master the concepts of Dilations: graph the image.
Dilations: find the coordinates
Master the concepts of Dilations: find the coordinates.
Dilations: find the scale factor
Master the concepts of Dilations: find the scale factor.
Identify similar triangles
Master the concepts of Identify similar triangles.
Side lengths and angle measures of similar figures
Master the concepts of Side lengths and angle measures of similar figures.
Angle-angle criterion for similar triangles
Master the concepts of Angle-angle criterion for similar triangles.
Find missing side lengths in proportional triangles
Master the concepts of Find missing side lengths in proportional triangles.
Checkpoint skill Checkpoint: Transformations on the coordinate plane
Master the concepts of Checkpoint skill Checkpoint: Transformations on the coordinate plane.
Checkpoint skill Checkpoint: Similarity transformations
Master the concepts of Checkpoint skill Checkpoint: Similarity transformations.
Which x satisfies an equation?
Master the concepts of Which x satisfies an equation?.
Model and solve equations using algebra tiles
Master the concepts of Model and solve equations using algebra tiles.
Solve two-step equations
Master the concepts of Solve two-step equations.
Solve two-step equations: complete the solution
Master the concepts of Solve two-step equations: complete the solution.
Solve one-step and two-step equations: word problems
Master the concepts of Solve one-step and two-step equations: word problems.
Identify equivalent equations
Master the concepts of Identify equivalent equations.
Solve equations involving like terms
Master the concepts of Solve equations involving like terms.
Solve equations with variables on both sides
It's time for a variable showdown! When letters appear on both sides of an equation, your goal is to be the ultimate organizer. Gather all the variable terms on one side and all the constant terms on the other to find the solution.
Solve equations with variables on both sides: word problems
Master the concepts of Solve equations with variables on both sides: word problems.
Solve equations with variables on both sides: fractional coefficients
Master the concepts of Solve equations with variables on both sides: fractional coefficients.
Solve equations using the distributive property
Master the concepts of Solve equations using the distributive property.
Solve multi-step equations
Master the concepts of Solve multi-step equations.
Solve multi-step equations: complete the solution
Master the concepts of Solve multi-step equations: complete the solution.
Solve multi-step equations with fractional coefficients
Master the concepts of Solve multi-step equations with fractional coefficients.
Solve equations: mixed review
Master the concepts of Solve equations: mixed review.
Find the number of solutions
Master the concepts of Find the number of solutions.
Create equations with no solutions or infinitely many solutions
Master the concepts of Create equations with no solutions or infinitely many solutions.
Checkpoint skill Checkpoint: Solve linear equations
Master the concepts of Checkpoint skill Checkpoint: Solve linear equations.
Find the constant of proportionality from a table
Master the concepts of Find the constant of proportionality from a table.
Write equations for proportional relationships from tables
Master the concepts of Write equations for proportional relationships from tables.
Find the constant of proportionality from a graph
Master the concepts of Find the constant of proportionality from a graph.
Interpret graphs of proportional relationships
Master the concepts of Interpret graphs of proportional relationships.
Identify proportional relationships by graphing
Master the concepts of Identify proportional relationships by graphing.
Write equations for proportional relationships from graphs
Master the concepts of Write equations for proportional relationships from graphs.
Write and solve equations for proportional relationships
Master the concepts of Write and solve equations for proportional relationships.
Compare proportional relationships represented in different ways
Master the concepts of Compare proportional relationships represented in different ways.
Checkpoint skill Checkpoint: Proportional relationships
Master the concepts of Checkpoint skill Checkpoint: Proportional relationships.
Identify independent and dependent variables
Master the concepts of Identify independent and dependent variables.
Is (x, y) a solution to the linear equation?
Master the concepts of Is (x, y) a solution to the linear equation?.
Relate the graph of an equation to its solutions
Master the concepts of Relate the graph of an equation to its solutions.
Evaluate a linear function
Master the concepts of Evaluate a linear function.
Interpret points on the graph of a linear function
Master the concepts of Interpret points on the graph of a linear function.
Complete a table for a linear function
Master the concepts of Complete a table for a linear function.
Complete a table and graph a linear function
Master the concepts of Complete a table and graph a linear function.
Find the slope from a graph
Master the concepts of Find the slope from a graph.
Graph proportional relationships and find the slope
Master the concepts of Graph proportional relationships and find the slope.
Graph a Line Using Slope
Slope is rise over run. From a known point, use slope steps to generate more points.
Find the slope from two points
Slope is the measure of a line's steepness. It's the 'rise over run'. You don't always need a graph to find it; if you have any two points on the line, you can use a simple formula to calculate the slope.
Rate of change of a linear function: graphs
Master the concepts of Rate of change of a linear function: graphs.
Interpret the slope and y-intercept of a linear function
Master the concepts of Interpret the slope and y-intercept of a linear function.
Slope-intercept form: find the slope and y-intercept
Master the concepts of Slope-intercept form: find the slope and y-intercept.
Graph a line from an equation in slope-intercept form
Master the concepts of Graph a line from an equation in slope-intercept form.
Write a linear equation from a slope and y-intercept
Master the concepts of Write a linear equation from a slope and y-intercept.
Write a linear equation from a graph
Master the concepts of Write a linear equation from a graph.
Checkpoint skill Checkpoint: Slope and linear equations
Master the concepts of Checkpoint skill Checkpoint: Slope and linear equations.
Write a linear equation from a slope and a point
If you know a line's slope and just one point it passes through, you have enough information to write its equation. This is a powerful tool for modeling linear relationships in the real world.
Write a linear equation from two points
Master the concepts of Write a linear equation from two points.
Write a linear function from a table
Master the concepts of Write a linear function from a table.
Write linear functions: word problems
Master the concepts of Write linear functions: word problems.
Convert a linear equation in standard form to slope-intercept form
Master the concepts of Convert a linear equation in standard form to slope-intercept form.
Checkpoint skill Checkpoint: Construct and interpret linear functions
Master the concepts of Checkpoint skill Checkpoint: Construct and interpret linear functions.
Identify Functions
A relation is a function when each input has exactly one output.
Identify functions: graphs
Master the concepts of Identify functions: graphs.
Find values using function graphs
Master the concepts of Find values using function graphs.
Complete a table for a function graph
Master the concepts of Complete a table for a function graph.
Checkpoint skill Checkpoint: Understand functions
Master the concepts of Checkpoint skill Checkpoint: Understand functions.
Checkpoint skill Checkpoint: Sketch and describe graphs
Master the concepts of Checkpoint skill Checkpoint: Sketch and describe graphs.
Compare linear functions: tables, graphs, and equations
Master the concepts of Compare linear functions: tables, graphs, and equations.
Identify linear and nonlinear functions: graphs and equations
Master the concepts of Identify linear and nonlinear functions: graphs and equations.
Identify linear and nonlinear functions: tables
Master the concepts of Identify linear and nonlinear functions: tables.
Checkpoint skill Checkpoint: Compare linear functions
Master the concepts of Checkpoint skill Checkpoint: Compare linear functions.
Checkpoint skill Checkpoint: Linear and nonlinear functions
Master the concepts of Checkpoint skill Checkpoint: Linear and nonlinear functions.
Create scatter plots
Master the concepts of Create scatter plots.
Outliers in scatter plots
Master the concepts of Outliers in scatter plots.
Interpret scatter plots
Master the concepts of Interpret scatter plots.
Identify trends with scatter plots
Master the concepts of Identify trends with scatter plots.
Make predictions with scatter plots
Master the concepts of Make predictions with scatter plots.
Checkpoint skill Checkpoint: Scatter plots
Master the concepts of Checkpoint skill Checkpoint: Scatter plots.
Identify lines of best fit
Master the concepts of Identify lines of best fit.
Interpret lines of best fit: word problems
Master the concepts of Interpret lines of best fit: word problems.
Write equations for lines of best fit
Master the concepts of Write equations for lines of best fit.
Checkpoint skill Checkpoint: Lines of best fit
Master the concepts of Checkpoint skill Checkpoint: Lines of best fit.
Checkpoint skill Checkpoint: Linear models: interpret and solve
Master the concepts of Checkpoint skill Checkpoint: Linear models: interpret and solve.
Is (x, y) a solution to the system of equations?
Master the concepts of Is (x, y) a solution to the system of equations?.
Solve a system of equations by graphing
A system of equations is a set of two or more equations. The solution is the one point (x, y) that makes ALL the equations true. Graphing is a visual way to find this solutionβit's the point where the lines intersect!
Solve a system of equations by graphing: word problems
Master the concepts of Solve a system of equations by graphing: word problems.
Find the number of solutions to a system of equations by graphing
Master the concepts of Find the number of solutions to a system of equations by graphing.
Find the number of solutions to a system of equations
Master the concepts of Find the number of solutions to a system of equations.
Solve a System of Equations Using Substitution
Substitution replaces one variable with an equivalent expression.
Solve a system of equations using substitution: word problems
Master the concepts of Solve a system of equations using substitution: word problems.
Solve a system of equations using elimination
Master the concepts of Solve a system of equations using elimination.
Solve a system of equations using elimination: word problems
Master the concepts of Solve a system of equations using elimination: word problems.
Solve a system of equations using any method
Master the concepts of Solve a system of equations using any method.
Solve a system of equations using any method: word problems
Master the concepts of Solve a system of equations using any method: word problems.
Checkpoint skill Checkpoint: Systems of equations
Master the concepts of Checkpoint skill Checkpoint: Systems of equations.
Square roots of perfect squares
Master the concepts of Square roots of perfect squares.
Cube roots of positive perfect cubes
Master the concepts of Cube roots of positive perfect cubes.
Relationship between squares and square roots
Master the concepts of Relationship between squares and square roots.
Estimate positive square roots
Master the concepts of Estimate positive square roots.
Positive and negative square roots
Master the concepts of Positive and negative square roots.
Estimate positive and negative square roots
Master the concepts of Estimate positive and negative square roots.
Cube roots of positive and negative perfect cubes
Master the concepts of Cube roots of positive and negative perfect cubes.
Estimate cube roots
Master the concepts of Estimate cube roots.
Solve equations using square roots
To undo squaring a variable (xΒ²), you use its inverse operation: taking the square root. This is a key tool for solving equations involving squares, like those found in the Pythagorean theorem or area problems.
Solve equations using cube roots
Master the concepts of Solve equations using cube roots.
Identify rational and irrational square roots
Master the concepts of Identify rational and irrational square roots.
Identify rational and irrational numbers
Master the concepts of Identify rational and irrational numbers.
Checkpoint skill Checkpoint: Rational and irrational numbers
Master the concepts of Checkpoint skill Checkpoint: Rational and irrational numbers.
Checkpoint skill Checkpoint: Square and cube roots
Master the concepts of Checkpoint skill Checkpoint: Square and cube roots.
Checkpoint skill Checkpoint: Approximate irrational numbers
Master the concepts of Checkpoint skill Checkpoint: Approximate irrational numbers.
Pythagorean theorem: find the missing leg length
Master the concepts of Pythagorean theorem: find the missing leg length.
Pythagorean theorem: find the length of the hypotenuse
Master the concepts of Pythagorean theorem: find the length of the hypotenuse.
Pythagorean theorem: find the missing leg or hypotenuse length
Master the concepts of Pythagorean theorem: find the missing leg or hypotenuse length.
Converse of the Pythagorean theorem: is it a right triangle?
Master the concepts of Converse of the Pythagorean theorem: is it a right triangle?.
Find the distance between two points
Master the concepts of Find the distance between two points.
Pythagorean theorem: find the perimeter
Master the concepts of Pythagorean theorem: find the perimeter.
Pythagorean theorem: word problems
The Pythagorean theorem (aΒ² + bΒ² = cΒ²) is a powerful tool for solving problems involving right triangles. It allows you to find a missing side length, which is incredibly useful for navigation, construction, and geometry.
Checkpoint skill Checkpoint: Pythagorean theorem and its converse
Master the concepts of Checkpoint skill Checkpoint: Pythagorean theorem and its converse.
Checkpoint skill Checkpoint: Applications of the Pythagorean theorem
Master the concepts of Checkpoint skill Checkpoint: Applications of the Pythagorean theorem.
Find missing angles in triangles
Master the concepts of Find missing angles in triangles.
Find missing angles in triangles using ratios
Master the concepts of Find missing angles in triangles using ratios.
Triangle Angle-Sum Theorem
Interior angles of any triangle add to 180 degrees.
Exterior Angle Theorem
Master the concepts of Exterior Angle Theorem.
Identify complementary, supplementary, vertical, adjacent, and congruent angles
Master the concepts of Identify complementary, supplementary, vertical, adjacent, and congruent angles.
Find measures of complementary, supplementary, vertical, and adjacent angles
Master the concepts of Find measures of complementary, supplementary, vertical, and adjacent angles.
Identify alternate interior and alternate exterior angles
Master the concepts of Identify alternate interior and alternate exterior angles.
Transversals of parallel lines: name angle pairs
Master the concepts of Transversals of parallel lines: name angle pairs.
Transversals of parallel lines: find angle measures
Master the concepts of Transversals of parallel lines: find angle measures.
Transversals of parallel lines: solve for x
Master the concepts of Transversals of parallel lines: solve for x.
Checkpoint skill Checkpoint: Triangles and transversals
Master the concepts of Checkpoint skill Checkpoint: Triangles and transversals.
Volume of cylinders
A cylinder is a 3D shape with two identical circular bases, like a can of soup. Its volume tells you how much it can hold. The formula is simple: find the area of the circular base and multiply it by the cylinder's height.
Surface Area of Cylinders
Cylinder surface area includes two circular bases plus the curved side.
Volume of cones
Master the concepts of Volume of cones.
Volume of spheres
Master the concepts of Volume of spheres.
Checkpoint skill Checkpoint: Volume
Master the concepts of Checkpoint skill Checkpoint: Volume.
Probability of simple events
Master the concepts of Probability of simple events.
Experimental probability
Master the concepts of Experimental probability.
Make predictions
Master the concepts of Make predictions.
Find probabilities using two-way frequency tables
Master the concepts of Find probabilities using two-way frequency tables.
Checkpoint skill Checkpoint: Two-way frequency tables
Master the concepts of Checkpoint skill Checkpoint: Two-way frequency tables.