OAS 4N1.3Form A - Estimation and Multiplication

The pizza shop is making 87 pizzas for a family reunion. They will charge $12 per pizza. Which expression would best help the pizza shop estimate their earnings?

• $80 x 20

• $90 x 20

• $90 x 10

Tags

CCSS.4.NBT.B.5

Amber reads 116 pages every week for 4 weeks in a row. Which expression would help her find the best estimate of pages she read?

• 120 x 4

• 200 x 4

• 90 x 4

Tags

CCSS.4.NBT.B.5

I babysat 11 times this summer. Each time I babysat, I charged $25. About how much money did I make babysitting this summer?

• $200

• $300

• $400

• Yes, because 40 x 10 is about 400.

• No, because 32 + 11 is not $400.

• No, because 30 x 10 would be a better estimate.

Jack did 55 push ups every day for 31 days in a row. What is the best estimate of how many push ups Jack did in all?

• 1,800.

• 1,400

• 2,500

The pet store charges $78 to groom a dog. If the pet store grooms 42 dogs, which expression would give the best estimate of their earnings?

• $70 x 30

• $80 x 40

• $80 x 50

Tags

CCSS.4.NBT.B.5

Match the following equations to their product.

• 800

• 800

• 600

• 1,000

Tags

CCSS.4.NBT.B.5