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Curipod generated lesson: "prime and composite numbers". #1-4

Updated 5 months ago

1. Word cloud

120 seconds

Name one type of number?

2. Slide

60 seconds

Prime numbers are whole numbers that can only be divided evenly by 1 and itself. Composite numbers are whole numbers that can be divided evenly by more than 1 and itself. Examples of prime numbers are 2,3,5,7,11 and examples of composite numbers are 4,6,8,9,10.

Prime and Composite Numbers

3. Slide

60 seconds

The first known proof of the fundamental theorem of arithmetic was given by Euclid in his book Elements. The Prime Number Theorem was first proposed by Bernhard Riemann in 1859. There are an infinite number of prime numbers, but only a finite number of composite numbers.

Did you know?

4. Open question

300 seconds

What is the difference between a prime number and a composite number?

5. Open question

300 seconds

What are some real-life examples of prime and composite numbers?

6. Open question

300 seconds

How might understanding prime and composite numbers help you in the future?

7. Open question

300 seconds

What patterns can you find when looking at prime and composite numbers?

8. Drawings

450 seconds

Brain break: Draw three talking triangles having a conversation with hats and a bow tie.

9. Poll

60 seconds

What is a prime number?

- A number that ends with the digit 0
- A number that ends with the digit 5
- A number that can be divided by any other number
- A number that can only be divided by 1 and itself

10. Poll

60 seconds

Which of these numbers is a prime: 11, 12, or 13?

- 12
- 13
- 11

11. Poll

60 seconds

What is a composite number?

- A number that has more than two factors
- A number that has exactly two factors

12. Poll

60 seconds

Which of these numbers is composite: 7, 9, or 11?

- 7
- 9
- 11

13. Poll

60 seconds

Is '1' a prime or composite?

- Neither
- Prime
- Composite

14. Open question

180 seconds

Work together in pairs: Q: What is the difference between a prime number and a composite number?

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