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Name the Angle is a free printable Grade 4 maths worksheet on classifying an angle in a figure, aligned to Common Core standard 4.G.A.1. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 12 of 25 · the same problems every time you open this link.

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One paper per pupil

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Name the Angle

4.G.A.1

NameDate

Write acute, right or obtuse.

1.
Acute, right or obtuse?
2.
Acute, right or obtuse?
3.
Acute, right or obtuse?
4.
Acute, right or obtuse?
5.
Acute, right or obtuse?
6.
Acute, right or obtuse?
7.
Acute, right or obtuse?
8.
Acute, right or obtuse?

LessonPrint · 4.G.A.1 · Set 12 · free to copy for classroom use

Answer key — Name the Angle

Set 12. Prints on its own sheet.

  1. 1.acute
  2. 2.obtuse
  3. 3.obtuse
  4. 4.obtuse
  5. 5.obtuse
  6. 6.acute
  7. 7.acute
  8. 8.acute

More practice for 4.G.A.1

Draw and identify lines, rays and angles.

Teaching this next? Lines, Rays and Angles is the 50-minute plan for it, with the misconceptions to expect.

All Grade 4 worksheets

Last reviewed 2026-09-05. Aligned to 4.G.A.1 of the Common Core State Standards for mathematics.