Factors, Multiples, Divisibility Rules

These numbers 14,21,28,35,42 are multiples of what number?

• 5

• 3

• 8

• 7

Is 20 a multiple of 5?

• no

• yes

Is 12 a multiple of 4?

• no

• yes

Is 9 a factor of 18?

• yes

• no

Use your divisibility rules to label the numbers. Note: Some may be divisible by more than one number! You have to get the combination right.

d

c

e

b

a

f

Divisible by 10

Divisible by 5

Divisible by 4

Divisible by 2

Divisible by 3

Divisible by 9

Is 525 divisible by 5?

• Yes

• No

Which number is divisible by 3

• 65

• 57

• 43

• 113

If a number ends in 5 or 0 it is divisible by ________.

• 2

• 3

• 5

• 8

What is the number 681 divisible by?

• 2,3,6

• 2,5,10

• 3,9

• 3

What is the divisibility rule for 3?

• Add up the digits. The sum must be even and divisible by 3.

• The digits must add up to 9.

• The last digit must be a 3.

• Add up the digits. The sum must be divisible by 3.