Estimating Multiplying Decimals

Which is the most reasonable estimate for 3.29 X 7.8?

• 11

• 24

• 21

• 32

What is the most reasonable estimate for 6.31 X 9.2?

• 15

• 60

• 54

• 63

Estimate
73.2 X 3.7

• 300

• 280

• 210

• 200

Estimate
8.5 X 7

• 63

• 56

• 70

• 100

Estimate 1.7 X 8.8

• 18

• 180

• 1.8

• 20

Estimate 18.6 X 3.2

• 50

• 40

• 60

• 70

Estimate each product:

5.8 x 4

• 24

• 20

• 25

• 0

Estimate the product:

11.9 x 2.2

• 20

• 39

• 42

• 30