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Grade 4CCSS 4.MD.5

Grade 4 Angle Measure Worksheet

Read angles from a protractor and compute supplementary, complementary, and triangle sums. Free printable worksheet — 20 questions plus a separate answer key. Each sheet is freshly generated, so your kid can practice as many times as they need.

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Sample questions

Two examples from the Angle Measure worksheet. Print the full sheet for 20 questions plus an answer key.

  1. Sample 1
    An angle measuring 130 degrees shown against a 180° protractor. Read ∠B0306090120150180?Read ∠B

    ∠B is shown on the protractor below. What is its measure in degrees?

    Show answer130
  2. Sample 2
    An angle measuring 135 degrees shown against a 180° protractor. Read ∠E0306090120150180?Read ∠E

    ∠E is shown on the protractor below. What is its measure in degrees?

    Show answer135

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