Factors and Multiples

Question 1

What is divisibility

Answer 1

When you divide one number by another number the result is a WHOLE NUMBER

Question 2

Divisibility rule for 2

Answer 2

Check last digit of number, if WHOLE O.K

Question 3

Divisibility rule for 3

Answer 3

Sum all digits, divide the sum by 3 if WHOLE O.K

Question 4

Divisibility rule for 4

Answer 4

Last 2 digits are divisible by 4

Question 5

Divisibility rule for 5

Answer 5

Digit ending in 0 or 5

Question 6

Divisibility rule for 6

Answer 6

If divisible by 2 AND 3

Question 7

Divisibility rule for 7

Answer 7

Double the last digit and subtract it from a number made by the other digits. The result must be divisible by 7.

Question 8

Divisibility rule for 8

Answer 8

Are the last 3 digits Divisible?

Question 9

Divisibility rule for 9

Answer 9

Sum all digits, divide by 9 if WHOLE O.K

Question 10

Divisibility rule for 10

Answer 10

If Digit ends in 0