All grades

Grade 8 math skills

34 skills, each with a short lesson, practice that adapts, and help when an answer is wrong.

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A 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