Grade 8 math skills
34 skills, each with a short lesson, practice that adapts, and help when an answer is wrong.
Start freeA The Number System
A.1Rational & irrational numbers
A.2Estimate square roots
B Expressions & Equations
B.1Exponent rules
B.2Zero & negative exponents
B.3Square & cube roots
B.4Scientific notation
B.5Operations in scientific notation
B.6Graph proportional relationships
B.7Slope-intercept form from a graph
B.8Number of solutions
B.9Variables on both sides
B.10Systems of equations
C Functions
C.1Identify functions
C.2Compare functions
C.3Linear & nonlinear functions
C.4Slope from two points
C.5Rate of change & initial value
C.6Write linear functions
C.7Describe graphs
D Geometry
D.1Properties of rigid motions
D.2Transformations
D.3Dilations
D.4Similar figures
D.5Parallel lines & transversals
D.6Triangle angles
D.7Pythagorean theorem: hypotenuse
D.8Pythagorean theorem: missing leg
D.9Is it a right triangle?
D.10Distance between points
D.11Volume of cylinders, cones & spheres
E Statistics & Probability
E.1Scatter plots
E.2Fit a line
E.3Lines of best fit
E.4Two-way tables