Unit 1 Math Review

What multiplication expression represents the array shown here? 

• 20
• 5 x 5
• 4 x 5 

Tags

CCSS.3.OA.A.1

Pick the number that is NOT a factor of 16. 

• 4
• 2
• 3
• 8

Tags

CCSS.4.OA.B.4

Complete the following number sentence. 
7 x ________ = 21 

• 3
• 2
• 30
• 4

Tags

CCSS.3.OA.A.4

What is the product of a 5x7 array? 

• 5
• 7
• 35
• 57

Tags

CCSS.3.OA.A.1

Tom has 12 ears of field corn to make table decorations. He arranges them in equal groups. Which sentences could Tom use to describe his groups? Select all that are correct.

• Tom arranged 1 group of 10 ears.

• Tom arranged 2 groups of 4 ears.

• Tom arranged 3 groups of 4 ears.

• Tom arranged 6 groups of 2 ears.

• Tom arranged 4 groups of 2 ears.

Tags

CCSS.3.OA.A.3

Jenna has 24 flowers. She arranges them in vases with an equal number of flowers in each vase. Which sentences could Jenna use to describe her flowers? Select all that are correct.

• Jenna arranged 3 flowers in each of 9 vases.

• Jenna arranged 6 flowers in each of 3 vases.

• Jenna arranged 4 flowers in each of 6 vases.

• Jenna arranged 8 flowers in each of 3 vases.

• Jenna arranged 5 flowers in each of 5 vases.

Tags

CCSS.4.NBT.B.6

An equation is shown. $8\times5=5\times\left[\ \ \right]$
Use the commutative property of multiplication to find the missing factor. What is the missing factor?

• 5

• 40

• 85

• 8

Tags

CCSS.3.OA.B.5

Which of the following expressions is equivalent to $5\times4$

• $5+5$

• $4\times5$

• $5+4$

• $5-4$

Tags

CCSS.3.OA.B.5

Craig visits the Florida Railroad Museum and takes photos of engines. He arranges his photos into an array with 5 equal rows of 9 photos. How many photos are in Craig's array?

• 5

• 9

• 45

• 59

Tags

CCSS.2.OA.C.4

Which is the missing value?
$6\times8=\left(4\times8\right)+\left(?\times8\right)$

• 8

• 4

• 6

• 2

Tags

CCSS.3.OA.B.5