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

​

​

​5 x 4 = 10 x 2

​

Multiple Choice

4 x 4 = 8 x 2

• True

• False

8 x 2 = (3x4) + (4x1)​

​

Multiple Choice

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

• True

• False

Multiple Choice

15 - 5 = 5 - 15

• True

• False

​8 x ___ = 24

​

Fill in the Blanks

x 5 = 20 

Fill in the Blanks

6 x

= 18

Fill in the Blanks

18 =

x 2

Fill in the Blanks

6 x

= 18

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

Fill in the Blanks

There are all 4 dog collars. They cost $6 each. How much do the collars cost all together? 

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

Fill in the Blanks

There are all 4 dog collars. They cost $6 each. What is a multiplication equation you can use to find the total cost of the collars?

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

Fill in the Blanks

Three bags of rabbit food cost $12. 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

The small fish is 7 inches. If the big fish is 3 times bigger, how long is the big fish?

​6 x 2 = 3 x ___

Fill in the Blanks

8 x 2 = 4 x

Fill in the Blanks

3 x 6 = 9 x

Fill in the Blanks

Timmy got mud on his homework. How many total dots are there? 

​How many apples are in the array?

Fill in the Blanks

How many windowpanes are in this window?

Fill in the Blanks

Each stamp costs 10 cents. How much does this sheet of stamps cost in all? 

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? 

Fill in the Blanks

2 cats, how many legs?

Fill in the Blanks

4 cats, how many legs?

Fill in the Blanks

28 legs, how many cats?

Fill in the Blanks

32 legs, how many cats?