1. 2, 3, 4, 5, 6, 9, 10

2. “Divisible
BY ”
What does it mean?

3. “Divisible by” means:
If you divide one number by another, the result is
a whole number WITHOUT a remainder.
Examples:
12 ÷ 6 = 2 No remainder
15 ÷ 5 = 3 No remainder

4. Divisibility Rule
2
A number is divisible by 2 if the
last digit is even. (0, 2, 4, 6, 8)
Examples: 78 347 0
Review Even numbers: ghosteven

5. Now You
Try:
Which number IS NOT divisible by 2?
572 1464 249
Need More Practice: Numbers Divisible by 2

6. WONDERFUL

7. It ends in a 0, 2,
4, 6, or 8.

8. Divisibility Rule
3
A number is divisible by three if the sum
of the digits is divisible by 3.
Examples:
75 7 + 5 = 12 12 ÷ 3 = 4 No Remainder
369 3 +6 + 9 = 18 18 ÷ 3 = 6 No Remainder

9. Now You
Try:
Which number IS NOT divisible by 3?
572 1464 279
Need More Practice: Numbers Divisible by 3

10. The sum is
divisible by 3.

11. WONDERFUL

12. Divisibility Rule
4
A number is divisible by 4 if the last two
digits are divisible by 4.
Examples:
1320 20 ÷ 4 = 5
672 72 ÷ 4 = 18

13. Now You
Try:
Which number IS NOT divisible by 4?
564 4101 188
Need More Practice: Numbers Divisible by 4

14. WONDERFUL

15. The last 2 digits are
divisible by 4.

16. Divisibility Rule
5
A number is divisible by 5 if the last
digit is a 0 or 5.
Examples:
615 ends in a 5
1480 ends on a 0

17. Now You Try:
Which number IS NOT divisible by 5?
9820 779 560
Need More Practice: Numbers Divisible by 5

18. The number ends in a
zero or a five.

19. Wonderful

20. Divisibility Rule
6when it is divisible by
A number is divisible by 6
2 AND 3. (prime numbers)
Examples:
408 ends in an even number (2 rule)
sum of the digits is divisible by 3
Review prime and composite numbers: Prime and Composite Numbers

21. Now You Try:
Which number IS NOT divisible by 6?
8700 523 7602
Need more practice? Numbers Divisible by 6

22. Way To Go!!

23. This number is divisible
by 2 and 3.

24. Divisibility Rule
9
A number is divisible by 9 if the sum of
the digits is divisible by 9.
Examples:
963 9 + 6 + 3 = 18 18 ÷ 9 = 2
5445 5 + 4 + 4 + 5 =18 18 ÷ 9 =2

25. Now You Try:
Find the number that IS NOT divisible by
9.
9873 636 5541
Need More Practice: Numbers Divisible by 9 and 10

26. The sum of the digits is
divisible by 9.

27. Great Job!!!

28. Divisibility Rule
10
A number is divisible by 10 is it ends in a
ZERO.
Example:
7630 ends in a zero
410 ends in a zero

29. Now You Try:
Find the number that IS NOT divisible by
ten.
56,920 7537 870

30. The number ends in a
ZERO.

31. Way To Go!!

32. Congratulations!
Complete two of the three assignments.
You may complete them on your
computers but print out your answer
sheet.
Assignment 1.doc
chart.doc
assignment3.doc

33. CONGRATULATIONS ON
HAVING ACHIEVED THIS
AIM.