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Curipod lesson about topic "Classifying Triangles". #5-7

Updated 5 months ago

1. Word cloud

120 seconds

How many sides does a triangle have?

2. Slide

60 seconds

Triangles are classified by their angles and side lengths. A triangle's angles can be acute, right, or obtuse. The sides of a triangle can be equal or different lengths.

Classifying Triangles

3. Slide

60 seconds

Acute Triangle: A triangle with three angles that are all less than 90°. Right Triangle: A triangle with one angle that is 90°. Obtuse Triangle: A triangle with one angle that is greater than 90°.

Concepts:

4. Poll

60 seconds

Do you think triangles are easy to classify?

- Yes
- No
- Sometimes
- I don't know

5. Slide

60 seconds

The longest side of an acute triangle is opposite the largest angle. The longest side of a right triangle is opposite the right angle. The longest side of an obtuse triangle is opposite the smallest angle.

Fun facts:

6. Drawings

450 seconds

Draw / write: What are the three different types of triangles?

7. Drawings

360 seconds

Draw / write: What is the difference between acute and obtuse triangles?

8. Open question

150 seconds

How did you decide which type of triangle each example was?

9. Open question

330 seconds

What strategies did you use to classify the different types of triangles?

Made with ❤️ from Norway