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4th Grade Math (Grade 4) · Chapter 11 · Lesson 11.2 · Printable PDF

Angles and How to Name Them Worksheet with Answer Key

5 problems on naming angles: writing three-letter names with the vertex in the middle, naming angles on a folding fan, choosing correct names from a figure, finding a wrong name on a five-sided shape, and drawing angles with a new ray inside. 2 pages, with a worked answer key.

5 problems2 pagesanswer key
Printable Angles and how to name them worksheet with answer key - 4th Grade Math (Grade 4) (Page 1 PDF preview)
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Try one first: a free Chapter 1 worksheet (PDF, no sign-in).

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What's on the worksheet

  1. Write two different three-letter names for an angle, and name Lily's angle with vertex R.
  2. Name the angles between neighboring slats of Sarah's folding fan.
  3. Choose which names are correct names for angle 1 and say why the others are not.
  4. Find the wrong angle name on the five-sided shape VWXYZ and fix it.
  5. Draw angle JKL, add ray KM inside it, and name all three angles with vertex K.

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The free lesson teaches it with worked examples and practice problems.

Angles and how to name them: the lesson ›

More Chapter 11 worksheets: Angles and measuring them