Assess Reasonableness of Products Using Decimals

Estimate 4.8 x 3.2

• 12

• 15

• 10

Estimate 32.8 x 21.2

• 600

• 60

• 80

One pound of bananas costs $0.95. If a bunch of bananas weigh 1.78 pounds, about how much would the bunch of bananas cost?

• $3

• $1.50

• $2

A helicopter flew at a speed of 44.7 km per hour. At this speed, about how far could the helicopter travel in 2.5 hours?

• 180 km

• 90 km

• 120 km

One pound of tomatillos cost $2.89 per pound. About how much would 8 pounds cost?

• $24.00

• $16.00

• $32.00

Estimation: Ana has $20 to buy 5 binders. Binders cost $4.29 each. Does she have enough money?

• Yes

• No

Estimate 2.1 x 3.7

• 6

• 8

• 0

• 2

Estimate 0.007 x 1.02

• 7

• 1

• 0

• 2

Which number will your answer be closer to for 0.3 x 0.5 ?

• 0

• 1

Estimate 15.25 x 3.07

• 60

• 45

• 30

• 25