Prime and Composite Numbers Worksheet

Fill in the blank: A prime number is a number that has only ___ factors, 1 and itself.

• 2

• 3

• 4

• many

Tags

CCSS.4.OA.B.4

Which of the following is an example of a prime number?

• 8

• 23

• 10

• 21

Tags

CCSS.4.OA.B.4

Fill in the blank: A composite number is a number that has ___ than 2 factors.

• more

• less

• equal

• no

Tags

CCSS.4.OA.B.4

Which of the following is an example of a composite number?

• A) 2

• B) 3

• C) 4

• D) 5

Tags

CCSS.4.OA.B.4

Fill in the blank: A _______ is a number you can multiply by another number to make a third number.

• number

• factor

• multiple

• Strategy

Tags

CCSS.4.OA.B.4

Which of the following is a factor of 6?

• 2

• 5

• 7

• 9

Tags

CCSS.4.OA.B.4

Fill in the blank: Multiple is An answer you get when you multiply, the same thing as a ______.

• product

• sum

• difference

• quotient

Which of the following is a multiple of 6?

• 5

• 12

• 7

• 9

Tags

CCSS.4.OA.B.4

Partial Products: Fill in the blanks. The Partial Products strategy is a ______ for solving ______ combinations. Example: 33 x 23 =

30 x 23 + 3 x 23 =

690 + 69 = 759.

• strategy, multiplication

• method, addition

• formula, subtraction

• technique, division

Tags

CCSS.4.NBT.B.5

The Over Strategy: Fill in the blank. The Over Strategy is to multiply by a little ______ and adjust. Example: 199 x 28 =

200 x 28 - (1 x 28)

• too much

• too little

• less

• more

Tags

CCSS.4.NBT.B.5