Divisibility

A number is divisible by another number if, after dividing...

• everyone is happy

• the quotient has no zeros

• there is no remainder

• the divisor has one digit

Tags

CCSS.5.OA.B.3

What is the rule of divisibility by 3?

• The number must end in 3, 6, or 9.

• The sum of the digits must be equal to 3.

• The sum of the digits must be divisible by 3.

• There must be at least one 3 in the number.

Tags

CCSS.4.OA.B.4

What is the rule of divisibility for 5?

• The sum of the digits is divisible by 5.

• The last digit is a 5.

• The last digit is 5 or zero.

• The last digit is zero.

Tags

CCSS.4.OA.B.4

A number is divisible by 6 if it is divisible by

• 2 and 3

• 2 and 4

• 9 and 1

• 5 and 10

Tags

CCSS.4.OA.B.4

What is the rule of divisibility by 9?

• The sum of the digits is a number divisible by 3

• The sum of the digits is a number divisible by 9

• The last two digits form a number divisible by 3

• The last digit is 9.

Tags

CCSS.3.OA.D.9

A number is divisible by 10 if

• It is even

• It ends in 0

• It ends in 0 or 5

• The sum of the digits is a multiple of 10

Tags

CCSS.4.OA.B.4

To which number does this rule apply?

If the last digit ends in 0, 2, 4, 6, 8.

• 2

• 3

• 4

• 5

Tags

CCSS.3.OA.D.9

All these numbers are divisible by 5 except...

• 75,395

• 222,222,235

• 984,940

• 8,943,892

Tags

CCSS.4.OA.B.4

Which of the following are odd numbers?

• 1, 2, 3, 4, 5

• 0, 1, 3, 5, 7

• 1, 3, 5, 7, 9

Tags

CCSS.2.OA.C.3

Which of the following is an even number?

• 1

• 9

• 4

• 5

Tags

CCSS.2.OA.C.3