1. To make the Divisibility Rules foldable, you will need 4 pieces of paper

2. To make the Divisibility Rules foldable, you will need 4 pieces of paper

3. To make the Divisibility Rules foldable, you will need 4 pieces of paper

4. To make the Divisibility Rules foldable, you will need 4 pieces of paper

5. To make the Divisibility Rules foldable, you will need 4 pieces of paper

6. Then fold it back on itself to make the 10 “flaps”

7. Then fold it back on itself to make the 10 “flaps”

8. Then staple along the top edge to keep it all together…

9. Warm up
Teresa runs each day to practice for an upcoming race. On Friday she ran between 5.2 and 5.3 miles. Which of the following could have been the distance she ran?
5.155 B) C) 5.5 D) 5.21
2. Ella orders two tacos for $2.90 each and a large curly fry for $ What is her approximate total?
A) $9 B) $6 C) $7 D) $8

10. Divisibility
Prime Numbers
The Number 1
Composite Numbers
Divisibility Rule 2
Divisibility Rule 3 & 9
Divisibility Rule 6
Divisibility Rule 5 & 10

11. Prime Numbers
Are numbers that can only be divided by 1 and itself.
Examples:

12. Composite Numbers
Are numbers that have an additional divisor other than 1 and itself
Examples:

13. The Number 1
Is not Prime or Composite.
Why?

14. 2
If the number is EVEN
Examples:
Non-examples:

15. 3
If the sum of the digits is divisible by 3
Examples:
Non-examples:

16. 9
If the sum of the digits is divisible by 9
Examples:
Non-examples:

17. 6
If the number is EVEN and divisible by 3
Examples:
Non-examples:

18. 5
If the number ends in 0 or 5
Examples:
Non-examples:

19. 10
If the number ends in 0
Examples:
Non-examples:

20. 25 If the last 2 numbers are 00, 25, 50, 75 Think about quarters
Examples:
Non-examples:

21. Divisible by these numbers?2 3 5 9 10 25 26 27 30
Are
these
numbers

22. Divisible by these numbers?2 3 5 9 10 25 32 42 45
Are
these
numbers

23. Divisible by these numbers?2 3 5 9 10 25 50 75 90
Are
these
numbers

24. 1) Divisible by 3?
87 91

25. 2) Divisible by 25?

26. Divisible by 2
3) 1,32_ 4) 36_ 5) _ ) 6,52_
Divisible by 5
7) 7,82_ 8) 16_ 9) 2,18_ 10) 45_
Divisible by 9
11) 1,52_ 12) 23_ 13) _ ) 92_

27. Some Friendly Advice
Divisible by
S N E V O