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Worksheet8th GradeLevel 3 · Challenge

Free 8th Grade Angles Worksheet — Level 3

Classify angles and find missing angles on a line, at a point and in triangles. A challenge set for students ready to stretch further. This 8th Grade worksheet has 10 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
8th Grade
Subject
Math
Topic
Angles
Difficulty
Level 3 · Challenge
Estimated time
10 minutes
Curriculum
Texas grade levels (TEKS)
Questions
10
Answers
Included, with working
Format
PDF (A4), print or complete online

Students will practice

  • finding missing angles using angle rules
  • angles in triangles
  • angles on a straight line and at a point

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: 8th Grade Angles Worksheet — Level 3

  1. 18th Grade Angles in Polygons Worksheet — Level 1
  2. 28th Grade Angles in Polygons Worksheet — Level 2
  3. 38th Grade Angles in Polygons Worksheet — Level 3
← Easier: Level 2 · Standard

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?

8th Grade students (typically ages 13–14) working on angles. It is pitched at level 3 · challenge; an easier 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 10 minutes for 10 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 8th Grade Angles in Polygons Worksheet — Level 1.

Preview

Success TutoringWorksheets8th Grade · Mathematics · Angles

8th Grade Angles Worksheet — Level 3

Name

Date

Score /

State the angle rule you use.

1.Two angles of a triangle are 64° and 96°. Find the third angle.
2.An isosceles triangle has an apex angle of 32°. Find each base angle.
3.Three angles meet at a point: 118°, 111° and x°. Find x.
4.Three angles meet at a point: 110°, 155° and x°. Find x.
5.An isosceles triangle has an apex angle of 62°. Find each base angle.
6.Three angles meet at a point: 106°, 65° and x°. Find x.
7.Two angles of a triangle are 54° and 80°. Find the third angle.
8.Two angles on a straight line are 129° and x°. Find x.
9.Two angles on a straight line are 76° and x°. Find x.
10.Three angles meet at a point: 74°, 127° and x°. Find x.
Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

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

More 8th Grade angles resources

  • Worksheet

    8th Grade Angles Worksheet — Level 1

    Classify angles and find missing angles on a line, at a point and in triangles. Builds confidence with the core skill before adding…

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    10 questions
    Answers
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  • Worksheet

    8th Grade Angles Worksheet — Level 2

    Classify angles and find missing angles on a line, at a point and in triangles. Expected-level practice for this grade. This 8th Grade…

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    Answers included
  • Worksheet

    8th Grade Angles in Polygons Worksheet — Level 1

    Find the interior angle sum of a polygon, each interior and exterior angle of a regular polygon, missing angles and the number of sides.…

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    Time
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  • Worksheet

    8th Grade Angles in Polygons Worksheet — Level 2

    Find the interior angle sum of a polygon, each interior and exterior angle of a regular polygon, missing angles and the number of sides.…

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  • Worksheet

    8th Grade Angles in Polygons Worksheet — Level 3

    Find the interior angle sum of a polygon, each interior and exterior angle of a regular polygon, missing angles and the number of sides. A…

    Difficulty
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    Time
    15 min
    Questions
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    Answers
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Angles in other year levels

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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.