Multiplying Decimals and Whole Numbers with Estimating

Estimate each product.

$27.64 x 3

• $30 x 3 =$90

• $35 x 3 = $105

• $20 x 3 = $60

• $10 x 3= $30

Multiply

1.7 x 4=

• 68

• 6.8

• .68

• 8

Multiply

0.5 x 9=

• 0.45

• 4.0

• 4.5

• 45

Multiply

5.14 x 0.4=

• 2.056

• 20.56

• 205.6

• 2,056

Jennifer bought 3.4 pounds of apples. She paid $.89 per pound.  How much did Jennifer pay for the apples?

• $3.00

• $3.02

• $3.01

• $3.03

2.07 x 1,000 =

• 2.07

• 20.7

• 2,070

• 207

83.05 x 100 = ____

• 8.305

• 83.05

• 830.5

• 8305

Miss Chavez buys 3.7 pounds of potatoes that cost $0.29 per pound. How much does Miss Chavez pay for the potatoes? Round to the nearest cent.

• $1.07

• $10.70

• $107

• $56

Use estimation to choose the correct value.

8.4 x 2

• 0.168

• 168

• 1.68

• 16.8

Use estimation to choose the correct value.

3.9 x 5

• 1.95

• 19.5

• 195

• 0.195