Math Unit 5 Review

The pet store has 10 hamsters. If 4 are sold, how many are left?

• 3

• 4

• 5

• 6

Use doubles to help you subtract 13-5. What is the difference?

• 3

• 5

• 7

• 8

Count back to subtract 18-9.

What is the difference?

• 7

• 8

• 9

• 10

Which addition equation can help you subtract 11-5?

• 2 + 9 = 11

• 5 + 6 = 11

• 3 + 8 = 11

• 1 + 10 = 11

Beth has 12 yogurts. She gives 5 yogurts to her friends. How many yogurts does Beth have left?

• 7 yogurts

• 8 yogurts

• 6 yogurts

• 5 yogurts

Count on to subtract 15-7.

What is the difference?

• 5

• 6

• 7

• 8

Subtract 12 - 4. Which ten-frames show the difference?

• 
• 
• 
• 

Is the equation true or false?

14 - 6 = 8

• True

• False

Is the equation true or false?

7 - 3 = 8 - 5

• True

• False

Look at the fact triangle.

Which fact family matches the fact triangle?

• 6 + 8 = 14

  8 + 6 = 14

  14 - 6 = 8

  14 - 8 = 6

• 5 + 7 = 12

  7 + 5 = 12

  12 - 5 = 7

  12 - 7 = 5

• 6 + 7 = 13

  7 + 6 = 13

  13 - 6 = 7

  13 - 7 = 6