Free math worksheets

Printable worksheets with full worked solutions and answer keys — free to download. Every one was generated and answer-checked by MathGaps.

Adding Fractions with Unlike Denominators

5th grade

Ten problems that build from common-denominator warmups to word problems, targeting the classic add-the-tops-and-bottoms mistake.

Distributing Negative Numbers

7th–8th grade

Expansion and equation problems focused on the most common algebra mistake: flipping only the first sign when distributing a negative.

Graphing Linear Equations

8th grade

Graph lines from slope-intercept form on printed coordinate grids, plus reading slope and intercept from equations.

Missing Angles in Triangles

6th–7th grade

Find-the-angle problems with a labeled diagram for every triangle — right, isosceles, and exterior-angle setups.

Order of Operations

5th–6th grade

PEMDAS practice that punishes left-to-right guessing — parentheses, exponents, and fraction bars included.

Two-Step Equations

7th grade

Ten two-step equations with room to show work, including negative coefficients and a couple of word problems.

Want worksheets built from your child's actual mistakes?

Scan their homework and MathGaps finds the gaps, then builds practice for exactly what they're missing. A full scan is just $3.