Measuring and Naming Angles
Measure angles in degrees and classify them as acute, right, obtuse, or straight — 10 problems with an answer key. Free printable PDF for 4th grade.
10 problems · Standards: 4.MD.C.5, 4.MD.C.6 · Difficulty: medium
✅ Answer key included · ✅ Free for home & classroom use
Highlights
- Grade
- Grade 4
- Subject
- Math
- Pages
- 2 · worksheet + answer key
- Answer key
- ✅ Included
- Class time
- about 15 min
What's inside
- 1. An angle measures exactly 90 degrees. What kind of angle is it?
- 2. An angle measures exactly 180 degrees. What kind of angle is it?
- 3. An angle measures 45 degrees. What kind of angle is it?
- 4. An angle measures 120 degrees. What kind of angle is it?
- 5. A clock shows 3 o'clock. The hour hand and minute hand form an angle. What is the measure of this angle and what kind is it?
- 6. An angle is 30 degrees larger than a right angle. What is the measure of this angle and what kind is it?
Showing 6 of 10 problems. The free PDF includes every problem plus the full answer key.
Preview
The free PDF includes all 2 pages — every problem plus the full answer key.
What’s included
- 10 problems across 2 pages (worksheet + answer key)
- Answer key included — every answer, ready to check
- Standards: 4.MD.C.5, 4.MD.C.6
- Skill: Measuring angles in degrees and classifying them as acute, right, obtuse, or straight
- Suggested use: morning work, classwork, homework, math centers, or sub plans
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