Free Online Math Practice for Kids in Grade 8
Prepare for high school algebra and geometry with Grade 8 interactive practice covering rational/irrational numbers, integer exponents, scientific notation, linear equations, slope and functions, systems of equations, transformations, Pythagorean theorem, and volume.
đ Step-by-Step Logic
What Your Child Practices in Grade 8 Math
Each problem is generated with fresh numbers and diagrams so students practice real math skills instead of memorizing answers. Learners can answer questions directly or turn on Reasoning Steps to practice choosing the strategy first, with clear explanations for every answer choice. Open any unit below to view all skills covered.
M1 Real numbers 8.NS.A.1, 8.NS.A.2
- Write a repeating decimal as a fraction
- Rational or irrational?
- Place an irrational number between two decimals
M2 Exponents, roots, scientific notation 8.EE.A.1, 8.EE.A.2, 8.EE.A.3, 8.EE.A.4
- Simplify with exponent rules
- Square roots and cube roots
- Write in scientific notation and back
- Add, subtract, multiply, and divide in scientific notation
M3 Proportional relationships, slope, linear equations 8.EE.B.5, 8.EE.B.6
- Unit rate as the slope
- Compare two proportional relationships
- Slope as rise over run from a graph
- Write the equation of a line
M4 Solving linear equations 8.EE.C.7, 8.EE.C.7a, 8.EE.C.7b
- Solve a linear equation
- One solution, no solution, or infinitely many?
- Solve with the distributive property
M5 Functions 8.F.A.1, 8.F.A.2, 8.F.A.3
- Is it a function?
- Compare two functions by rate of change
- Linear or nonlinear?
M6 Linear functions and modeling 8.F.B.4, 8.F.B.5
- Rate of change and initial value
- Pick the graph that matches the story
- Describe a graph in words
M7 Systems of two linear equations 8.EE.C.8, 8.EE.C.8a, 8.EE.C.8b, 8.EE.C.8c
- Find the point where two lines cross
- Solve a system by substitution or elimination
- One solution, no solution, or infinitely many?
- Solve a real problem with two unknowns
M8 Transformations, congruence, similarity 8.G.A.1, 8.G.A.2, 8.G.A.3, 8.G.A.4
- Move a figure and write the new coordinates
- Name the sequence of moves
- Congruent or similar? Give the scale factor
M9 Angles, triangles, transversals 8.G.A.5
- Find the missing angles in a triangle
- Find an exterior angle
- Angles formed by a transversal
- Similar triangles by angle-angle
M10 Pythagorean theorem 8.G.B.6, 8.G.B.7, 8.G.B.8
- Find a missing side of a right triangle
- Find the diagonal of a box
- Find the distance between two points
M11 Volume of cylinders, cones, spheres 8.G.C.9
- Volume of a cylinder, cone, or sphere
- Find a missing dimension
- A cone is one third of a cylinder
M12 Bivariate data 8.SP.A.1, 8.SP.A.2, 8.SP.A.3, 8.SP.A.4
- Describe the association in a scatter plot
- Pick the line that fits the data best
- Use the fitted line to predict a value
- Read a two-way table
Want paper practice too? Visit our Free Printable Math Practice Worksheets generator to create custom Grade 8 PDF/PNG worksheets with answer keys.
