Free
Stepboard
One-, two-, and three-step equations. Watch, play, or practice the next move. Word problems included.
Open Stepboard
Plus
Inequalities
Same line-by-line board, with <, >, ≤, and ≥. Flip the sign when you multiply or divide by a negative. Graph the solution on a number line.
Preview inequalities
Plus
Literal equations
Solve a formula for one letter. F = ma, y = mx + b, P = 2l + 2w. Same inverses as Stepboard.
Preview literal equations
Plus
Substitution
Systems of two equations. Easy starts with a number, like x = 4. Then an expression. Then isolate that expression first.
Preview substitution
Coming soon
Elimination
Systems of two equations. Add or subtract so one column cancels. Multiply first when the coefficients do not match.
Coming soon