Test of Divisibility

If the last digit of a number is________, that numbers is divisible by 10.

• 0 or 5

• odd

• even

• 0

if the sum of all digits in a number ________, that number is divisible by 9.

• is divisible by 9

• is divisible by 3

• is greater than 1

• adds up to 6

If a number ends with the digit ________, it is divisible by 5.

• 0

• 1

• 5

• 2

If the difference between two numbers is ________, those numbers are divisible by 11.

• 0

• 11

• 1

• 10

If a number is even and the sum of its digits is ________, it is divisible by 4.

• 4

• 2

• 8

• 6

A number is divisible by 2 if...

• it is even and ends in 0,2,4,6, or 8

• It is odd.

The divisibility rule for 9 is ______

• Multiply the digits together by 9.

• Add the digits together and then add 9.

• Divide the whole thing by 9.

• Add the digits together. If the sum is divisible by 9. the original number is divisible by 9.

Is 36,656 divisible by 8 ?

• No

• Yes

Insert the correct digit to make the following number divisible by 3. The number is 6_2

• 3

• 5

• 2

• 1

Is 19,584 divisible by 9?

• Yes

• No