#1-8

Fill in the blanks with the correct vocabulary words on page 121.

Raise your hand when you are finished and have Ms. Jordan check if you are correct!

• We are correct!

• We are incorrect.

#9-12

Find each unknown. Write the addition property or subtraction rule that each shows.

Raise your hand when you are finished and have Ms. Jordan check if you are correct!

• We are correct!

• We are incorrect.

#13 & 14

Use mental math to add and subtract.

Raise your hand when you are finished and have Ms. Jordan check if you are correct!

• We are correct!

• We are incorrect.

#15 & 16

Rewrite these problems with the place values stacked. Then solve.

Raise your hand when you are finished and have Ms. Jordan check if you are correct!

• We are correct!

• We are incorrect.

#17-19

Add. Then estimate to check your addition.

Raise your hand when you are finished and have Ms. Jordan check if you are correct!

• We are correct!

• We are incorrect.

#20-22

Subtract. Then use addition to check your subtraction.

Raise your hand when you are finished and have Ms. Jordan check if you are correct!

• We are correct!

• We are incorrect.

#23

Solve the word problem. Make sure to write out the complete equation. Use a variable.

Raise your hand when you are finished and have Ms. Jordan check if you are correct!

• We are correct!

• We are incorrect.

#24

Solve the word problem. Make sure to write out the complete equation. Use a variable.

Raise your hand when you are finished and have Ms. Jordan check if you are correct!

• We are correct!

• We are incorrect.

#25

Solve the word problem. Make sure to write out the complete equation. Use a variable.

Raise your hand when you are finished and have Ms. Jordan check if you are correct!

• We are correct!

• We are incorrect.

#26

Solve the word problem. Make sure to write out the complete equation. Use a variable.

Choose the correct answer below.

• 23,571 miles

• 28,291 miles

• 27,297 miles

• 28,297