Unit 2 Divisibility Rules

Front

Divisibility Rule for 2

Back

A number is divisible by 2 if its last digit is 0, 2, 4, 6, or 8.

Front

Divisibility Rule for 3

Back

A number is divisible by 3 if the sum of its digits is divisible by 3.

Front

Divisibility Rule for 4

Back

A number is divisible by 4 if its last two digits form a number that is divisible by 4.

Front

Divisibility Rule for 5

Back

A number is divisible by 5 if its last digit is 0 or 5.

Front

Divisibility Rule for 6

Back

A number is divisible by 6 if it is divisible by both 2 and 3.

Front

Divisibility Rule for 8

Back

A number is divisible by 8 if its last three digits form a number that is divisible by 8.

Front

Divisibility Rule for 9

Back

A number is divisible by 9 if the sum of its digits is divisible by 9.

Front

Divisibility Rule for 10

Back

A number is divisible by 10 if its last digit is 0.