math 4

1. Factor
and
Multiples

2. Factors –
60 = 12 x 5 Factors
2 x 30
6 x 10
15 x 4
20 x 3
60 x 1
60 = 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 60

3. Multiples
4 = 4, 8, 12 , 16, 20
4 x 1 4 x 2 4 x 3 4 x 4 4 x 5
4 8 12 16 20

4. Activity#1
A. Write YES if the first number is a
factor of the second number and
NO if it is not.
_____ 1. 13 , 46
_____ 2. 11 , 31
_____ 3. 12 , 42
_____ 4. 54 , 108
_____ 5. 6, 60
Activity#2
A. Write YES if the first number is a
multiple of the second number
and NO if it is not.
_____ 1. 20 , 4
_____ 2. 15 , 3
_____ 3. 58 , 5
_____ 4. 48 , 7
_____ 5. 38, 8
NO
NO
NO
YES
YES
YES
YES
NO
NO
NO

5. Activity#1
A. Write YES if the first number is a
factor of the second number and
NO if it is not.
_____ 1. 13 , 46
_____ 2. 11 , 31
_____ 3. 12 , 42
_____ 4. 54 , 108
_____ 5. 6, 60
Activity#2
A. Write YES if the first number is a
multiple of the second number
and NO if it is not.
_____ 1. 20 , 4
_____ 2. 15 , 3
_____ 3. 58 , 5
_____ 4. 48 , 7
_____ 5. 38, 8

7. Write the first five multiples of the following numbers
1. 10 - ____ ____ ____ ____ ____
2. 5 - ____ ____ ____ ____ ____
3. 7 - ____ ____ ____ ____ ____
4. 9 - ____ ____ ____ ____ ____
5. 11- ____ ____ ____ ____ ____
10 20 30 40 50
5 10 15 20 25
7 14 21 28 35
9 18 27 36 45
11 22 33 44 55