Skill tree
Math practice, skill by skill
Every area we teach, from grade 6 to college and Math for AI & ML. Each problem carries a solver-verified answer key, so your answer is graded the instant you submit it — no waiting on an opinion.
- Grade 6Ratios & fractions7,231 problems
- Grade 7Proportions & percents7,137 problems
- Grade 8Equations & functions6,892 problems
- Grade 9Alg 1 · Geometry7,445 problems
- Grade 10Alg 1 · Geometry · Alg 29,442 problems
- Grade 11Alg 2 · Precalc3,558 problems
- Grade 12Precalc · Calc · Stats7,638 problems
- AI & MLVectors, gradients & probability8,164 problems
- College+Multivariable, diff eq & beyond6,867 problems
- GraduateAnalysis, measure theory & PDEs1,628 problems
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Unlimited math practice is on the free plan — no card, no trial clock.