Cluster 5 and 6 - Operations with Decimals

Jeane bought 2 books to read while on vacation. - The first book cost $15.45 - The second book cost $9.87 About how much did Jeane spend on her new books?

• Less than $24
• Between $24 and $25
• Between $25 and $26
• More than $26

Alexis drank two bottles of water this morning. One bottle held 12.5 ounces of water. The other bottle held 8.75 ounces of water. She wants to drink at least 32 ounces of water each day. How many more ounces does Alexis need to drink to make her goal?

• 21.25 oz
• 11.2 oz
• 11.75 oz
• 10.75 oz

Each month Mizrahi pays $62.74 for unlimited texts and calls. There is a new wireless company offering monthly plans for $48.50 unlimited texts plus an additional $5.99 for unlimited calls. If Mizrahi switches plans, how much money would she save each month?

• $54.49
• $18.35
• $14.24
• $8.25

Alycia has $10 to use for some new school supplies. She wants to buy a binder for $2.79, a package of markers for $1.25 and 2 packs of ink pens for $ 1.96 each. How much change should she get?

The vet weighed 3 baby kittens. The kittens weighed 3.9 ounces, 4.25 ounces, and 3.5 ounces. What was the total weight of the 3 kittens?

A zoologist purchased a rectangular field for a new petting zoo in his home town. The field is 1.6 miles long. The field is 0.9 miles wide. What is the area of the field purchased for the petting zoo?

• 0.144 square mile
• 1.44 square mile
• 14.4 square mile
• 144 square mile

Miquel has 3 liters of lemonade.  He is selling 0.15 liter glasses of lemonade. How many glasses of lemonade will he be able to sell?  Use the decimal grids below to solve the problem.  Each grid represents one liter.

• 15
• 18
• 19
• 20

Tyler planted a garden that is 7.84 meters by 5.5 meters. He multiplied 784 x 55 to find the area of his garden. He used estimation to decide where to place the decimal. Which of the following shows where Tyler should place the decimal?

• 4,312 square meters
• 431.2 square meters
• 43.12 square meters
• 4.312 square meters

Kiesha bought 3 grid paper notebooks, 8 mechanical pencils, and a box of erasers at the store. Grid paper notebooks cost $3.12 each. Mechanical pencils cost $0.54 each. A box of erasers costs $1.98. How much money did Kiesha spend on school supplies?

• $9.32
• $14.66
• $15.56
• $15.66

Kaylee ran 1.8 miles on Monday, Wednesday, and Friday last week.  She rested on the other days of the week. Use the number line to find the total distance Kaylee ran last week.  How far did Kaylee run?