LESSON 1 Investigating Angles

1. Look at the following shapes. How many angles do you see inside each shape?
1. 
2. 
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8. 
9. 
2. Which shape in Question 1 has the smallest angle? How do you know?
3. Which shape in Question 1 has the largest angle? How do you know?

Angles that are “square” at the corner are called right angles. Since a right angle
forms a square corner, a box is often drawn at the corner.

4. Which shapes in Question 1 look like they have right angles in them?

Cut out the Angle Sort Cards and complete the Angle Sort page in your Student
Activity Book to classify angles.