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Curipod generated lesson: "Divisibility Rules". #5-7

Updated 3 months ago

1. Word cloud

120 seconds

Name one divisibility rule?

2. Slide

60 seconds

Divisibility Rules

Divisibility rules help you figure out if a number is divisible by another number. For example, if a number is divisible by 2, that means the number is even. Using divisibility rules can help you quickly tell if a number can be divided evenly by another number.

3. Slide

60 seconds

Divisibility Rules

Divisibility Rule for 2: A number is divisible by 2 if it is an even number.

Divisibility Rule for 3: A number is divisible by 3 if the sum of its digits is divisible by 3.

Divisibility Rule for 5: A number is divisible by 5 if it ends in 5 or 0.

4. Slide

60 seconds

Did you know?

The number 8 is the only number that is both even and a cube number. A number is divisible by 11 if the alternating sum of its digits is divisible by 11. A number is divisible by 7 if the last digit is removed and the remaining number is divisible by 7.

5. Open question

180 seconds

Work together in pairs: What is the divisibility rule for the number 6?

6. Personalised Feedback

360 seconds

Can you explain the rules of divisibility for numbers 2, 3, 4, 5, 6, 9, and 10?

7. Open question

180 seconds

Work together in pairs: What is the divisibility rule for the number 6?

8. Drawings

450 seconds

Brain break: Draw a pineapple playing a guitar and singing on stage

9. Poll

60 seconds

Which number is divisible by 2?

- 21
- 33
- 14
- 40

10. Poll

60 seconds

What is the divisibility rule for 3?

- The sum of the digits is divisible by 9.
- The sum of the digits is divisible by 3.
- The last digit is even.
- The number ends in 5 or 0.

11. Poll

60 seconds

Which number is divisible by both 4 and 6?

- 24
- 31
- 57
- 42

12. Poll

60 seconds

What are the divisibility rules for both 5 and 10?

- The last digit must be either a zero or five.
- None of these.
- If you can divide it evenly into groups of ten, then it's divisible.
- The sum of the digits must be a multiple of five.

13. Poll

60 seconds

Which number follows the divisibility rule for both 6 and 9?

- 72
- 61
- 87
- 54

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