Unit Review: Decimals

Unit Review: Decimals

Multiple Choice

Alina’s mom spent $53.74 at the grocery store. How should Alina write the amount her mom spent using expanded notation?

• (5 x 10) + (3 x 1) + (7 x 10) + (4 x 100)

• (5 x 1,000) + (3 x 100) + (7 x 10) + (4 x 1)

• (5 x 10) + (3 x 1) + (7 x 0.1) + (4 x 0.01)

• ( 5 x 10) + (3 x 10) + (7 x 0.1) + (4 x 0.01)

Multiple Choice

At the swim meet, Josh won the 25-meter freestyle with a time of 18.35 seconds. What is the value of the digit 5 in Josh's time in expanded notation?

• 5 x 100

• 5 x 5

• 5 x 0.1

• 5 x 0.01

Multiple Choice

At the swim meet, Josh won the 25-meter freestyle with a time of 18.35 seconds. What is the value of the digit 5 in Josh's time as a fraction?

• 5/10

• 5/100

• 5/5

• 5

Multiple Choice

Meredith wrote a math mystery for her friend to solve. These are the clues she gave for the secret number:

-The number contains 5 digits.

-The number contains a 7 with a value of 7 hundredths.

-The number contains an 8 with a value of 800.

-The number contains 2 tens.

Which choice could be Meredith’s number?

• 720.48

• 820.74

• 800.27

• 820.47

Multiple Choice

Coach John kept track of the distances that twelve fourth-graders ran during Running Club last Saturday. Olivia ran 1.55 kilometers. Alex ran 3.35 kilometers. How much farther did Alex run than Olivia?

• 2.20 km farther

• 180 km farther

• 4.90 km farther

• 1.80 km farther

Multiple Choice

Roger, Sana, and Shawn had $235 to spend on food for the class picnic. They paid $42.95 to rent a pavilion at the park. Then they spent $124.50 on hamburgers and hot dogs, and $36.99 on drinks. They still wanted to buy chips and cookies. How much did they have left to spend?

• $33.54

• $30.56

• $67.55

• $31.56

Multiple Choice

Mr. & Mrs. Gauck wanted to take a trip to Kalahari. Day Passes to the waterpark cost $51.99 for each person. If they have $94 saved up together, do they have enough to purchase day passes?

• Yes, because they have $94 which is more than the $51.99 they need.

• Yes, and they will have $42.01 leftover for snacks.

• No, because they have $94 which is less than the $103.98 they need.

• No, because they still need $42.01 for the tickets.