Divisibility Rules, Factors and Multiples

These numbers 14,21,28,35,42 are multiples of what number?

• 5

• 3

• 8

• 7

Tags

CCSS.4.OA.B.4

What are the factors of 24?

• 1,2,3,4,6,12,24

• 1,2,3,4,6,8,12,24

• 1,2,12,24

• 1,2,3,4,6,8,24

Tags

CCSS.4.OA.B.4

How do you know if a number is divisible by 2?

• it has a 2 as the last digit.

• It has an even number as the last digit.

• It has a 5 or a 0 as the last digit.

• If you add all the digits up the sum is divisible by 2.

True or False- If a number is divisible by 10, it is also divisible by 5?

• True

• False

Tags

CCSS.4.OA.B.4

True or False - 1,110 is divisible by 2,3,5,and 10?

• True

• False

Tags

CCSS.4.NBT.B.6

CCSS.4.OA.B.4

Is 20 a multiple of 5?

• no

• yes

Tags

CCSS.4.OA.B.4

Is 80 a multiple of 9?

• no

• yes

Tags

CCSS.4.OA.B.4

Is 9 a factor of 18?

• yes

• no

Tags

CCSS.4.OA.B.4

The sum of the digits is divisible by 3.  The number is divisible by...

• 3
• 2
• 5
• 10

The digits in the tens and ones place form a number that is divisible by 4.  The number is divisible by...

• 4
• 2
• 3
• 9

Tags

CCSS.4.NBT.B.6

CCSS.4.OA.B.4