Decimal Operations

7.83 x 1.2

• 9.396

• 93.96

• 7.86

• 2.349

Once the numbers are lined up in a multiplication problem, how do I know where my decimal is placed in my answer?

• Bring the decimal straight down

• There is no decimal

• Count how many numbers are behind all decimals in the problem

• Move the decimal 2 spaces from the front

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

• $3.00

• $3.02

• $3.01

• $3.03

3.8 x .10

• 0.038

• 0.38

• 38

• 380

June has 1.32 pounds of candy. She wants to share it equally with herself and 3 friends. how much candy will each person receive? 

• 0.33

• 0.44

• 3.96

• 5.28

If I spent $3.87 on grapes at Tom Thumb and I bought 3.05 pounds. How much was each pound?
(round to the nearest hundredths place because it is money)

• 1.25
• $2.80
• $1.27
• $1.30

Haley and her 4 friends decide to go out to dinner at AppleBee's. The bill for their table came to $85.30. If they want to split the bill evenly between them, how much will each person pay?

• $17.06

• $16.33

• $20.16

• $18.46

Adriana walked 3.2 miles on a hike. Sofia walked 0.93 miles more than Adriana. How many miles did Sofia walk?

• 12.5 miles

• 3.13 miles

• 3.73 miles

• 4.13 miles

Ali grew 2.3 inches this school year and Mary grew 2.38 inches. How much did they grow all together?

• 4.68 inches

• 0.08 inches

• 2.5 inches
  2.58 inches

• 5.68 inches

How do you know where the decimal point goes in a multiplication problem?

• Count the TOTAL digits behind the decimal point in the problem and place the decimal point there in your answer.

• Line them up

• Move the outside one to make it a whole number and move the inside one the same number of places.