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300

624

5932

624

6972

46,080

333

5104

189

9972

Are these numbers divisible by 6?

765

Are these numbers divisible by 4?

Are these numbers divisible by 8?

Divisibility by 6

46,000

46,016

746,608

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

You can use the rules for 2 and 3 to check this!

426

Divisibility by 8

Divisibility by 4

A number is divisibile by 8 if

the last three digits are all 0,

or if

the last three digits form a number that can be divided by 8.

A number is divisible by 4 if

the last two digits are both 0,

or if

the number formed by the last two digits is divisible by 4.

32000

87 112

916

8324

6700

555

Are these numbers divisible by 9?

Review

333

Divisibility by 9

2

The last digit is 0, 2, 4, 6, or 8.

9540

3

Add all the digits together, and see if they can be divided by 3.

A number is divisible by 9 if the sum of all its digits is a number that can be divided by 9.

So, add all of the digits together, and see if the answer can be divided by 9.

The last digit is a 5 or a 0.

5

10

729

36

The last digit is a 0.

4581

RULES

2

What are divisibility rules?

The last digit is 0, 2, 4, 6, or 8.

3

Add all the digits together, and see if the answer can be divided by 3.

4

If the last two digits are both 0 or if they are divisible by 4. (For example, 100, or 124.)

5

The last digit is a 5 or a 0.

A quick way to know if one number can be divided by another, with no remainder.

6

If it is divisible by both 2 and 3. Use the rules for 2 and to check!

8

The last three digits are all 0, or if the number formed by the last three digits is divisible by 8.

9

Add all the digits together, and see if the answer is divisble by 9.

10

The last digit is a 0.

Divisibility Rules Grade 6

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