Divisibility Rules
10
Curipod generated lesson: "Divisibility Rules". #5-7
pflanagan
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
Made with ❤️ from Norway