1. Divisibility Rules

2. A number divides by… 104 1,032,463,042! 24 (2+4=6) 162 (1+6+2=9)
2 if the LAST number is even!
3 if you ADD the numbers up and THAT number divides by 3!
104
1,032,463,042!
24 (2+4=6)
162 (1+6+2=9)

3. A number divides by…
4 if the last TWO numbers divide by 4! 5 if the LAST number is 5 or 0!
324
5,748 25
110
12,370

4. *The rules for 7 & 8 are CRAZY!!??*
A number divides by…
6 if it ALSO divides by 2 AND 3!
*The rules for 7 & 8 are CRAZY!!??*
(4+2=6)
(1+6+8=15)

5. A number divides by…
9 if you ADD all the numbers and the sum divides by 9! 10 if the last number is 0
81 (8+1=9)
1,629 ( =18) 20
460
8,145,783,215,825,632,936,850

6. Simplifying fractions and more……………………………

7. 6 9 2 3
÷ 3 =

8. 5 25 1 5
÷ 5 =

9. 16 44 4 11
÷ 4 =

10. 21 35 3 5
÷ 7 =

11. 48 78 8 13
÷ 6 =

12. 28 96 7 14
÷ 4 =

13. 9 21 3 7
÷ 3 =