Multiplication with Estimation

Estimate the product by rounding each number to the nearest ten and then multiplying.

• 3,800

• 3,600

• 4,500

• 4,300

Tags

CCSS.4.NBT.B.5

Estimate to find the product by rounding to the nearest tens place.

56 x 41 =

• 2,400

• 2,296

• 2,500

• 2,600

Tags

CCSS.4.NBT.B.5

The closest estimate for 78 x 7 is...

• 200

• 500

• 700

Tags

CCSS.4.NBT.B.5

The closest estimate for 18 x 26 is...

• 400

• 600

• 1000

Tags

CCSS.4.NBT.B.5

• A

• B

• C

• D

Tags

CCSS.4.NBT.B.5

Which shows the best estimate to use for estimating 37 × 63?

• 40 × 70 = 2,800

• 50 × 60 =  3,000

• 40 × 60 =  2,400

• 30 × 60 =  1,800

Tags

CCSS.4.NBT.B.5

Estimate the product
92 x 12

• 100 x 10

• 100 x 12

• 90 x 20

• 90 x 10

Tags

CCSS.4.NBT.B.5

Which shows the best estimate to find 62 x 77?

• 60 x 70 = 4,200

• 60 x 80 = 4,800

• 65 x 75 = 4,875

• 62 x 100 = 6,200

A toy store ordered 48 crates of stuffed bears. There are 21 stuffed bears in each crate. What is the best estimate of how many stuffed bears the store ordered?

• 500

• 428

• 2,000

• 1,000

Tags

CCSS.4.NBT.B.5

An office needs to buy 6 computers.  Each computer costs $384.  About how much money will the office spend?

• $1,800

• $2,400

• $2304

• $3000

Tags

CCSS.5.NBT.B.7