Pythagorean theorem worksheets with answer keys

Pythagorean theorem practice — solving for the hypotenuse and for a missing leg. Grades 7-9. Every sheet prints with a matching answer key, and every sheet is generated fresh — so you can hand out a different one each time without writing it yourself.

Generate a pythagorean theorem worksheet →

What the problems look like

Three real examples at each difficulty, with answers.

Easy

• A right triangle has legs 6 and 8. Find the hypotenuse. → 10
• A right triangle has hypotenuse 5 and one leg 3. Find the other leg. → 4
• A right triangle has legs 3 and 4. Find the hypotenuse. → 5

Generate a full easy pythagorean theorem worksheet →

Medium

• A right triangle has legs 6 and 8. Find the hypotenuse. → 10
• A right triangle has legs 5 and 12. Find the hypotenuse. → 13
• A right triangle has legs 10 and 24. Find the hypotenuse. → 26

Generate a full medium pythagorean theorem worksheet →

Hard

• A right triangle has legs 27 and 120. Find the hypotenuse. → 123
• A right triangle has legs 18 and 80. Find the hypotenuse. → 82
• A right triangle has hypotenuse 87 and one leg 60. Find the other leg. → 63

Generate a full hard pythagorean theorem worksheet →

How to use it

• Pick a difficulty above and hit generate — you get 20 problems instantly.
• Toggle the answer key on or off before you print.
• Hit “New problems” for a completely different sheet on the same skill.
• Every sheet has a permanent link, so you can reprint the exact same one next year.
• No signup, no ads on the printout. Pro ($19) raises the cap to 60 problems and prints A–F differentiated versions in one go.

Other topics