Bridges Unit 2 assessment - 3rd grade

The coral is 20 centimeters long. The stingray is 5 times as long as the coral. Which equation would you use to find out how long the stingray is? (the letter l stands for the length of the stingray)

• 20 + 5 = l

• 20 x 5 = l

• 20 - 5 = l

• 20 x l = 5

Fill in the boxes on the number line.

3 x 5 = 5 x 3

• True

• False

3 + 5 = 5 + 3

• true

• false

10 - 5 = 5 - 10

• true

• false

2 x 6 = 4 x 3

• true

• false

Tags

CCSS.3.OA.A.1

CCSS.3.OA.B.5

CCSS.3.OA.C.7

4 x 5 = ____ x 4

Tags

CCSS.3.OA.A.4

2 x 8 = 4 x ____

Multiply.

How much does this sheet of stamps cost?