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Curipod lesson about topic "area of a circle"

Updated 4 months ago

1. Word cloud

120 seconds

How can you find the area of a circle?

2. Slide

60 seconds

How to Calculate the Area of a Circle

Area is the amount of space inside a shape. The area of a circle is calculated using its radius. The formula for finding the area of a circle is πr².

3. Slide

60 seconds

Concepts:

Area: The amount of space inside a shape. Radius: The distance from the center of a circle to any point on the circumference. π: A mathematical constant equal to 3.14159.

4. Poll

60 seconds

Which method is best for calculating the area of a circle?

- Using the formula A = pi x r^2
- Measuring the circumference and diameter
- Counting the number of unit squares inside the circle

5. Slide

60 seconds

Fun facts:

π is an irrational number, meaning its decimal form never ends or repeats. The symbol for π was first used in 1706 by William Jones. Archimedes used π to approximate the area of a circle around 250 BC.

6. Drawings

450 seconds

Draw / write: How does the area of a circle relate to the circumference?

7. Drawings

360 seconds

Draw / write: What is the formula for the area of a circle?

8. Open question

150 seconds

Do you think it is easier to calculate the area of a circle or the circumference of a circle?

9. Open question

330 seconds

How could understanding the area of a circle help you solve problems in your everyday life?

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