Multiplication Review

Which list contains multiples of 6?

• 1, 2, 3, 4, 6
• 1, 2, 3, 6
• 6, 12, 18, 21, 24
• 6, 12, 18, 24, 30

Tags

CCSS.5.NBT.B.5

CCSS.5.OA.B.3

Which list contains multiples of 11?

• 11, 12, 13, 14
• 11, 22, 33, 44
• 1, 11
• 11, 12, 22, 33

Tags

CCSS.4.OA.B.4

Which list contains multiples of 4?

• 1, 2, 4
• 4, 8, 10, 12
• 4, 8, 12, 16
• 11, 12, 22, 33

Tags

CCSS.4.OA.B.4

Which list has ALL the factors of 20?

• 1, 2, 4, 5, 10, 20
• 1, 2, 5, 10, 20
• 20, 40, 60, 80, 100
• 1, 2, 10, 20

Which list has ALL the factors for 24?

• 1, 2, 12, 24
• 1, 2, 4, 6, 12, 24
• 1, 2, 3, 4, 6, 8, 12, 24
• 24, 48, 60, 72

What is the answer called in a multiplication problem?

• Answer
• Factor
• Multiple
• Product

Tags

CCSS.3.OA.A.1

What is a prime number?

• A number with less than 2 factors
• A number with EXACTLY 2 factors
• A number with  more than 2 factors
• An odd number

Which is NOT a prime number?

• 2
• 3
• 1
• 5

Tags

CCSS.4.OA.B.4

Which is the prime factorization of 40?  Use a factor tree!

• 2 x 3 x 5
• 2 x 10 x 2
• 2 x 2 x 2 x 5
• 2 x 2 x 5 x 5

Which is the prime factorization of 100?  Use a factor tree!

• 2² x 5² 
• 3 x 2 x 5
• 5 x 5 x 2
• 2 x 2 x 2 x 5 x 5

Tags

CCSS.4.OA.B.4