Problem Solving Involving Adding And Subtracting Decimals

Lacy and Gerald gave their heights for a school survey. Lacy's height is 51.25 inches. Gerald's height is 46.65 inches. How many inches taller is Lacy than Gerald?

• 4.6 inches

• 5.4 inches

• 15.4 inches

• 15.6 inches

Luis bought a bottle of water at the gym for $2.85, including tax. If he paid for it with a $5.00 bill, how much change should he have received?

• $2.15

• $3.15

• $3.85

• $7.85

Garrett checked one of his funds online. He saw that it had gone up by $427.37. The fund had $5,348.18 before it went up. How much is in Garrett's fund now?

• $4,920.81

• $4,921.81

• $5,765.45

• $5,775.55

Garrett checked one of his funds online. He saw that it had gone up by $427.37. The fund now has $5,348.18. How much was in Garrett's fund before it went up?

• $4,920.81

• $4,921.81

• $5,765.45

• $5,775.55

How much did her fruit weigh altogether?

• 0.25 pounds

• 2.05 pounds

• 2.5 pounds

• 25.0 pounds

Every week Joshua runs 2.1 miles on Monday, 3.1 miles on Wednesday, 4.05 miles on Thursday, and 2.65 miles on Friday. How many total miles will he run in a week?

• 11.2

• 11.9

• 19.1

• 12.6

Xavier spent $15.68 on a shirt, $29.67 on shoes, and $14.95 on pants. How much did he spend?

• 48.20

• 48.40

• 59.20

• 60.30

This month, Cecilia has ridden her bike 114.7 miles. BEFORE THAT, she had ridden the bike for a total of 1,468 miles. How many total miles has Cecilia ridden her bike NOW?

• 116.168 miles

• 1,582.7 miles

• 261.5 miles

• 1,353.3 miles

Beth worked 33.25 hours last week and 23.75 this week. How many total hours did she work? 

James brought a fresh 2-liter bottle of sweet tea to school. He drank 0.29 liter before lunch and 0.189 liter after lunch. He tried to offer the rest to Mr. Blow, but Mr. Blow said, "Seriously?!" How much tea was left at the end of the day?