Measuring Angles - Worksheet 8 - 4th Grade

Hard

Read angles in degrees, classify them and add adjacent angle measures.

hard: Use another set to practice explaining and checking your answers.

18 problems · 15-20 minutes · Skills: angles, measurement

About This Worksheet

This hard-level worksheet contains 18 problems designed for 4th Grade students practicing measuring angles. Hard worksheets feature challenging problems including multi-step questions, missing values, and real-world applications to push students further.

Read labeled dimensions and coordinates. Recall multiplication facts and length units.

  • Read angles in degrees, classify them and add adjacent angle measures.
  • Check your result using the method in the example before moving to the next question.

How to Solve: Worked Example

Example Problem: Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
Solution Steps:
  1. Start at 0° on the right-pointing baseline.
  2. Read the tick crossed by the second ray.
Answer: 70 degrees
Tip: Check your result using the method in the example before moving to the next question.
1
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
2
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
3
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
4
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
5
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
6
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
7
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
8
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
9
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
10
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
11
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
12
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
13
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
14
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
15
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
16
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
17
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.
18
Measure the angle from the right-pointing baseline using the degree scale. Each short tick is 10°.
0306090120150180
Diagram not to scale.

Answer Key

1. 50 degrees2. 10 degrees3. 60 degrees4. 170 degrees5. 130 degrees6. 110 degrees7. 140 degrees8. 100 degrees9. 80 degrees10. 40 degrees11. 90 degrees12. 150 degrees13. 160 degrees14. 20 degrees15. 30 degrees16. 70 degrees17. 120 degrees18. 90 degrees

Frequently Asked Questions

How do I download this measuring angles - worksheet 8 worksheet?

Click "Download PDF" for a file, or "Print" to use your browser. You can save it as a PDF or print it directly. The answer key will be on a separate page.

How do I find worksheets at different difficulty levels?

Each subtopic has 10 worksheets: Worksheets 1-3 are Easy, 4-7 are Medium, and 8-10 are Hard. Start with Easy worksheets to build confidence, then progress to harder ones.

What skills does this angles worksheet cover?

This worksheet focuses on angles, measurement. It is designed for 4th Grade students and provides structured practice through varied problem types with a worked example to guide students before they begin.

Can I use this worksheet in my classroom?

Yes. All worksheets on K12Worksheets are free for classroom use. You can print copies for your entire class. With 10 worksheets per subtopic at three difficulty levels, you have plenty of options for differentiated instruction and individualized practice.

How many problems are on this worksheet?

This worksheet contains 18 problems. It typically takes 15-20 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.