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Small Whale · Reading worksheet

Internal and external angles

High school (ages 12+)
Mathematics & Numbers

Name: 

Date: 

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/internal-and-external-angles

Step 2 · Questions

  1. 1. What is an internal angle of a polygon?

  2. 2. How can I tell if a polygon is convex or concave?

Step 3 · Words to know

Write what each word means, using the article.

  • Simple Polygon

  • Supplementary Angles

  • Tessellation

Step 4 · Two facts in your own words

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

1.
2.
Free to print and copy for classroom use.Internal and external angles · smallwhale.org/articles/internal-and-external-angles · CC BY-SA 4.0