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Worksheet10th GradeLevel 1 · Easier

Free 10th Grade Pythagorean Theorem Worksheet — Level 1

Find the hypotenuse or a shorter side of a right triangle. Builds confidence with the core skill before adding complexity. This 10th Grade worksheet has 8 questions and comes with a full answer sheet showing the working for every question.

Need more practice? Practice Set 2 · Practice Set 3 · Practice Set 4 — same skill, fresh questions, full answers.

Instant download · No sign-up · Free for personal, classroom and homeschool use

Grade
10th Grade
Subject
Math
Topic
Pythagorean Theorem
Difficulty
Level 1 · Easier
Estimated time
20 minutes
Curriculum
Texas grade levels (TEKS)
Questions
8
Answers
Included, with working
Format
PDF (A4), print or complete online

Students will practice

  • finding the hypotenuse
  • recognizing Pythagorean triples
  • rounding to decimal places

Curriculum: Texas grade levels (TEKS). We show specific outcome codes only where they have been verified against the official curriculum document.

What's next?

Completed: 10th Grade Pythagorean Theorem Worksheet — Level 1

  1. 110th Grade Pythagorean Theorem Worksheet — Level 2
  2. 210th Grade Pythagorean Theorem Worksheet — Level 3
  3. 310th Grade Trigonometry (Finding Sides) Worksheet — Level 1
  4. 410th Grade Trigonometry (Finding Sides) Worksheet — Level 2

How to use this worksheet

  1. Print the PDF or complete it on screen. Write the student's name and date at the top.
  2. Read the instructions for each part together before starting. Encourage working to be shown, not just answers.
  3. Mark with the answer sheet. Compare the method, not only the final answer, and give credit for correct working.
  4. Record the score, celebrate what went well, then follow the "What's next" suggestion.

Common questions

Who is this worksheet for?

10th Grade students (typically ages 15–16) working on pythagorean theorem. It is pitched at level 1 · easier; a harder version is linked above.

Are the answers included?

Yes. The PDF includes a full answer sheet with the working for every question. You can also view the answers online.

How long does it take?

About 20 minutes for 8 questions. Short, regular sessions work best: two or three a week beats one long one.

Do I need to sign up to download?

No. Click Download Free PDF and it opens immediately. It is free for personal, classroom and homeschool use.

What should we do next?

Try 10th Grade Pythagorean Theorem Worksheet — Level 2.

Preview

Success TutoringWorksheets10th Grade · Mathematics · Pythagoras' Theorem

10th Grade Pythagorean Theorem Worksheet — Level 1

Name

Date

Score /

Use c² = a² + b², where c is the hypotenuse. Show your work.

1.A right triangle has shorter sides of 3 cm and 4 cm. Find the length of the hypotenuse.
2.A right triangle has shorter sides of 20 cm and 21 cm. Find the length of the hypotenuse.
3.A right triangle has shorter sides of 6 cm and 8 cm. Find the length of the hypotenuse.
4.A right triangle has shorter sides of 15 cm and 20 cm. Find the length of the hypotenuse.
5.A right triangle has shorter sides of 9 cm and 40 cm. Find the length of the hypotenuse.
6.A right triangle has shorter sides of 7 cm and 24 cm. Find the length of the hypotenuse.
7.A right triangle has shorter sides of 8 cm and 15 cm. Find the length of the hypotenuse.
8.A right triangle has shorter sides of 5 cm and 12 cm. Find the length of the hypotenuse.
Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

Preview — the PDF contains the full resource and answer sheet.

  • Worksheet

    10th Grade Pythagorean Theorem Worksheet — Level 2

    Find the hypotenuse or a shorter side of a right triangle. Expected-level practice for this grade. This 10th Grade worksheet has 8…

    Difficulty
    Level 2 · Standard
    Time
    20 min
    Questions
    8 questions
    Answers
    Answers included
  • Worksheet

    10th Grade Pythagorean Theorem Worksheet — Level 3

    Find the hypotenuse or a shorter side of a right triangle. A challenge set for students ready to stretch further. This 10th Grade…

    Difficulty
    Level 3 · Challenge
    Time
    20 min
    Questions
    8 questions
    Answers
    Answers included

Pythagorean Theorem in other year levels

About this resource

Created by
Success Tutoring Maths Team
Reviewed by
Success Tutoring
Last reviewed
1 October 2026
How it was made
Generated by checked procedures

Free to print and share for personal, classroom and homeschool use. Please don't resell. Spotted an error? Let us know.