add/subtract decimals

A fence is being put up around a rectangular school play yard. The dimensions of the play yard are 26.3 meters by 18.8 meters. How many meters of fencing are needed?

• 9.02

• 90.2

• 92.0

• 91.2

Taylor is saving for a new guitar. The guitar costs $225.89. If he currently has 172.95 in his savings account, how much more money does he need to save?

• $52.36

• $362.98

• $52.94

• $56.00

Paisley is training for a half marathon. In week 4 of her training she ran 4.6 miles on Monday, 6.15 miles on wednesday, and 5.23 miles on friday. If she needs to run a total of 18 miles this week, how long should she run on sunday?

• 2.02 miles

• 2 miles

• 1.9 miles

• 20.2 miles

During a science experiment the mass of two items is found. Item 1 has a mass of 35.67 kg, while item 2 has a mass of 67.8 kg. What is the difference between the two items mass?

• 1.0347 kg

• 3.213 kg

• 103.47 kg

• 32.13 kg

To get ready for a race, Margo biked 13.6 miles on Monday, 25.48 miles on tuesday, and 9.24 miles on wednesday. Describe the procedure Margo can use to find the total number of miles she ran on these three days.

• Line up decimals, subtract, bring decimals down

• Line up the decimals, add, bring decimal down

• Add

• Subtract

Hayley's little sister weighs 18.7 kg. If Hayley weighs 17.83 kg more than her sister, how much does Hayley weigh? 

• 36.53 kg

• 36.43 kg

• 37.53 kg

• 35.43 kg

At the summer baseball game, Annie bought three candies for $0.87 each and a bag of popcorn for $3.17. She pays with a $10.00 bill. How much change will she receive?

• No Change

• $3.22

• $5.96

• $4.22

4.78 + 9.3

• 14

• 14.08

• 14.11

• 13.08

100.7 - 62.9

• 3.78

• 378

• 37.8

• .378

38.75 + 19.6

• 59.45

• 55.53

• 57.35

• 58.35