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Practice that matches what school is actually teaching.

Choose your state's standard and every question lines up with class. Each one carries the full working — so a stuck student sees the step they missed, and a parent doesn't have to relearn the method to help.

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Algebra I · Linear equations HSA-REI.B.3

Solve: \(3(2x-4)=2x+8\)

Worked solution−
01

\(6x-12=2x+8\)

Expand the bracket on the left.

02

\(4x=20\)

Subtract 2x from both sides, then add 12.

03

\(x=5\)

Divide both sides by 4.

Final answer: \(x=5\)

01 — Two people, one account

Useful to the student. Useful to whoever's helping.

For students

Get unstuck without waiting until tomorrow.

  • Practice by course and topic, in the order your class covers it
  • Reveal the solution only once you've tried it yourself
  • Every step written out — see exactly where yours went wrong
  • Build up to test-level questions on the same skill

For parents

Help with homework you were never taught.

  • Solutions use the method your child's school uses
  • Standard codes tell you exactly what's being assessed
  • Print practice sheets for the weekend, solutions included
  • Know they're practicing the right thing, not busywork

02 — Course coverage

From Pre-Algebra to Calculus.

Pre-Algebra

Gr 6–8

Integers, fractions, ratios, percentages, expressions, intro to equations.

Algebra

Gr 8–9

Linear equations, inequalities, functions, systems, graphing.

Geometry

Gr 9–10

Angles, triangles, congruence, similarity, circles, area and volume.

Algebra 2

Gr 10–11

Quadratics, polynomials, exponentials, logarithms, sequences.

Precalculus

Gr 11–12

Trigonometry, rational functions, vectors, conics, limits.

Calculus

Gr 12

Limits, differentiation, integration and applications.

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