add/subtract decimals

If Juan had $10.99, then he purchased a pair of socks for $1.29, how much does he have left?

• $9.30

• $9.70

• $8.70

Jenna bought a bag of gummi bears that cost $2.74. She gave the clerk $10. How much money will she get back in change? 

• 12.74

• 4.36

• 7.26

• 7.62

Emily bought the following amounts of fruit at a fruit stand:
0.75 pounds of grapes
0.5 pounds of bananas
1.25 pounds of apples

How much did her fruit weigh altogether?

• 0.25 pounds

• 2.05 pounds

• 2.50 pounds

• 25.0 pounds

3 hundredths + 4 hundredths =

• 34 hundredths

• 3.04 hundredths = 30 tenths, 4 hundredths

• 7 hundredths

• 304 hundredths

12 tenths + 9 tenths =

• 129 tenths

• 21

• 21 tenths

• 12.9

2.04 + 0.07 =

• .211

• 2.11

• 2.12

• .211

Ashton planted sunflower seeds in her flower bed. The tallest sunflower grew to 2.65 meters tall. The shortest sunflower was 0.34 meters less, than the tallest sunflower. What is the height of the shortest sunflower? 

• 2.31 meters

• 231

• 2.31

• 2

Kelly has $20. She spends $2.15 on a Slurpee and $6.58 on candy. How much money does Kelly have left?

• $28.73

• $11.27

• $17.85

• $13.42

Paige was measuring how much taller she got over two years. In the first year she grew 4.62 cm. In the second year she grew 7.7 cm. How much taller did she get altogether?

• 12.3 cm

• 3.8 years

• 12.32 cm

• 12.32 years

Nancy was buying food for her birthday party. She bought a 52.93 oz bag of barbeque chips and a 79.6 oz bag of regular chips. How many ounces did she buy all together?

• 132.53 ounces

• -33.33 ounces

• 26.77 bags