Unit 2 Review #1

Unit 2 Review #1

Bridges Unit 2 Review

Multiple Choice

The clownfish is 12 centimeters long. The sea grass is 3 times as tall as the clownfish's length. Which equation would you use to find out how tall the sea grass is? (h stands for the height of the sea grass). 

• 3 x h = 12

• 3 + 12 = h

• 12 - h = 3

• 3 x 12 = h

4 x 3 = 6 x 4

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Multiple Choice

4 x 2 = 4 x 4

• True

• False

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​5 x 4 = 10 x 2

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Multiple Choice

4 x 4 = 8 x 2

• True

• False

8 x 2 = (3x4) + (4x1)​

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Multiple Choice

8 x 3 = (5 x 4) + (4 x 1)

• True

• False

Multiple Choice

15 - 5 = 5 - 15

• True

• False

​8 x ___ = 24

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There are 5 dog collars. ​They are $3 each. How much do they cost in all?

There are 5 dog collars. ​They are $3 each. What multiplication equation could you use to solve this problem?

​There are 4 bags of rabbit food. They cost $20 in all. How much does each bag cost?

The small dog is 4 inches. The big dog ​is 5 times bigger. How big is the dog? 

Fill in the Blanks

​6 x 2 = 3 x ___

Fill in the Blanks

​How many apples are in the array?

Fill in the Blanks

Fill in the Blanks

Open Ended

How can you use 2 x 8 to find 4 x 8?

Open Ended

Sarah said she found 8 x 5 = 40 by doubling 4 x 5 = 20. Do you agree or disagree? Why or why not?