MainContent
p-top: 48 p-bot: 48 p-left: 32 p-right: 32 p-x: 32 m-bot: 24

This medium-level worksheet has students fill in blanks, and match items from two columns to practice angles and angle measurement skills.

It includes 10 questions across 2 sections for focused practice.

Style:
Busy Bee
Angles and Measurement
Grade 4
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) The complement of a 35° angle is 55 degrees.
2) The supplement of a 100° angle is 80 degrees.
3) If two supplementary angles are equal, each measures 90 degrees.
4) An angle and its complement always add up to 90 degrees.
5) A protractor has 180 degree marks from 0° to 180°.
6) The supplement of a 25° angle is 155 degrees.
7) If two complementary angles are equal, each measures 45 degrees.
8) An angle of 89° is classified as acute because it is less than 90°.
9) The complement of a 12° angle is 78 degrees.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
Supplement of 40°
140°
90°
Complement of 55°
35°
80°
Supplement of 90°
90°
140°
Complement of 10°
80°
35°
🎯

Ready to Practice?

Complete each section carefully.

10 Questions
10-15 minutes
Auto-graded
Retry anytime
🏆
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