Divisibility Rules & GCF & LCM

GCF of 20 and 35

• 4

• 5

• 7

• 20

Tags

GCF

Find the Least Common Multiple (LCM) of 4 & 14.

• 14

• 20

• 28

• 42

Tags

LCM

Is 64 divisible by 2?

• Yes

• No

Tags

Divisibility Rule

70 can be evenly divided by which number?

• 5

• 10

• 2

• All of the above

Tags

Divisibility Rule

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.

Tags

Divisibility Rule

What is the divisibility rule for 5?

• The digits must add up to 10.

• The last digit needs to be a 5 or 0.

• The last digit can only be a 5.

• The sum of the digits need to be divisible by 5.

Tags

Divisibility Rule

Is 95 divisible by 5?

• Yes

• No

Tags

Divisibility Rule

Is 81 divisible by 3?

• Yes

• No

Tags

Divisibility Rule

Is 1,284,604 divisible by 2?

• Yes, because the sum of the digits is 20, which is an even number

• No, because 4 is an odd number

• Yes, because 4 is an even number

• No, because the it is not divisible by 3

Tags

Divisibility Rule

Is 816 divisible by 3?

• Yes

• No

Tags

Divisibility Rule