1. Word cloud

120 seconds

Name the three types of angles?

2. Slide

60 seconds

Angle: A figure formed by two rays, or sides, sharing a common endpoint. Right Angle: An angle that measures exactly 90 degrees. Acute Angle: An angle that measures less than 90 degrees.

Concepts:

3. Open question

300 seconds

What is the difference between a right angle and an acute angle?

4. Open question

300 seconds

What measures are used to calculate the size of an angle?

5. Open question

300 seconds

Can you think of any real-life examples of angles?

6. Open question

300 seconds

How can knowledge of angles help you understand other mathematical concepts?

7. Drawings

450 seconds

Brain break: Draw a fish riding a bicycle

8. Poll

60 seconds

What is the sum of angles in a triangle?

- 180 degrees
- 90 degrees
- 270 degrees

9. Poll

60 seconds

What is the name of an angle that measures exactly 90 degrees?

- Acute angle
- Obtuse angle
- Right angle

10. Poll

60 seconds

'Straight' is an example of what type of angle?

- Obtuse Angle
- Right Angle
- 180-degree angle

11. Poll

60 seconds

Which type of angles are complementary?

- Angles whose sum equals 90°
- Angles that have the same measure
- Angles that add up to 360°

12. Poll

60 seconds

What do we call two angles whose sum adds up to 180 degrees?

- Vertical Angles
- Supplementary Angles
- Complementary Angles

13. Open question

180 seconds

Work together in pairs: What is the definition of an obtuse angle?

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