Grade 4 HMH Go Math - Answer Keys Answer keys

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Grade 4 HMH Go Math - Answer Keys

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Question 11 (request help)
The diagram shows the dimensions of a new parking lot at Helen’s Health Food store.

Use either addition or subtraction to find the area of the parking lot. Show your work.

square yards

Question 12 (request help)
Chad’s bedroom floor is 12 feet long and 10 feet wide. He has an area rug on his floor that is 7 feet long and 5 feet wide. Which statement tells how to find the amount of the floor that is not covered by the rug? Mark all that apply.
- Add 12 × 10 and 7 × 5.
- Subtract 35 from 12 × 10
- Subtract 10 × 5 from 12 × 7.
- Add 12 + 10 + 7 + 5.
- Subtract 7 × 5 from 12 × 10.
- Subtract 12 × 10 from 7 × 5.

Question 13 (request help)
A row of plaques covers 120 square feet of space along a wall. If the plaques are 3 feet tall, what length of the wall do they cover?

feet