Factors and Multiples Study Guide

Which term below best describes the number 17?

• composite number
• even number
• multiple of 3
• prime number

Which term below best describes the number 21?

• prime number
• factor of 3
• even number
• multiple of 3

Find the factors of 12.

• 12, 24, 36, 48
• 1,2,3,4,6,12
• 1, 12, 3, 4
• 0, 1, 2, 3,4

Tags

CCSS.4.OA.B.4

Erik is trying to decide if 24 is prime or composite.  Which statement is true?

• 24 is prime because is has 2 factor pairs.
• 24 is prime because it has more than one factor pair.
• 24 is composite because it has more than 1 factor pair.
• 24 is composite because it has only one factor pair.

A shirt costs $10.  A jacket costs 4 times as much as the shirt.  How much does the jacket cost?

• $14
• $40
• $6
• $400

Tags

CCSS.3.NBT.A.3

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.B.5

CCSS.3.OA.C.7

Find the next 4 multiples of 6.

• 3, 6. 9, 12
• 12, 18, 24, 30
• 2, 4, 6, 8
• 1, 6, 2, 3,

Tags

CCSS.4.OA.B.4

Which terms below best describes the numbers 7, 11, 13, 17, 19?

• composite and even
• even and prime
• prime and odd
• even and odd

Ayan arranged 36 shells in an arrary. Which could be an array he used?

• 4 x 9
• 36 x 0
• 18 x 3
• 36 + 1

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

Prime numbers are numbers that have only one factor.

• True
• False

Tags

CCSS.4.OA.B.4

What do the following numbers have in common?15, 27, 35, 49, 63

• prime and odd
• prime and even
• composite and even
• composite and odd