Unit Review: Decimals

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

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?

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?

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?

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?

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?

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?