Estimating Quotients and Products Decimals

What is the best estimate for 3.19 x 1.94

• 3

• 4

• 5

• 6

Tags

CCSS.5.NBT.B.7

5.12345 x 6.1345 = about 3

• Reasonable

• Not reasonable

Javier uses estimation to check the product for 7.24 x 3.9. Which of the following is a reasonable estimate for the product?

• 700 x 40 = 28,000

• 700 x 3 = 2,100

• 7 x 4 = 28

• 70 x 40 = 2,800

Tags

CCSS.5.NBT.B.7

Estimate 30.3 x 9.4

• 250

• 270

• 285

• 300

Tags

CCSS.5.NBT.B.7

Match the expression with its most reasonable estimate.

6.7 x 12.3

• 112

• 84

• 176

• 8

• 12

Tags

CCSS.5.NBT.B.7

Match the expression with its most reasonable estimate.

3.99 x 29

• 12

• 120

• 176

• 112

• 16

Tags

CCSS.5.NBT.B.7

Estimate
4.8 X 63.3

• 325

• 600

• 300

• 0

Tags

CCSS.5.NBT.B.7

Estimate : 
5.7 x 2.1

• 10

• 12

• 18

• 8

Tags

CCSS.5.NBT.B.7

This bag of Hot Cheetos costs $2.98. ABOUT how much would you have to pay for 30 bags?

• $120

• $60

• $900

• $90

Tags

CCSS.5.NBT.B.7

Match the expression with its most reasonable estimate.

4.33 x 4.15

• 12

• 120

• 176

• 112

• 16

Tags

CCSS.5.NBT.B.7