Add & Subtract Decimals

This bar graph shows the amount of rain that fell during three days. Which decimal shows the difference, in inches, between the amount of rainfall on Wednesday and the amount of rainfall on Monday?

• 1.25

• 1.45

• 1.55

• 2.25

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

Marcel bought a dozen roses for $27.96 and a box of chocolates for $12.98. How much did he spend for both items?

• $14.98

• $39.84

• $40.94

• $49.84

Maria bought a bicycle lock with a $10.00 bill. The bicycle lock cost $6.27. How much change did Maria get back?

• $3.73

• $4.27

• $14.83

• $16.27

Karl earned $142.37 this month running errands for his uncle’s business. If he needs to pay $38.81 for a bill, how much does he have left to spend?

• $103.56

• $104.18

• $114.56

• $181.18

What is the sum of the models shown?

Mathematical Equivalence

ON

86.04 + 4.04

• 9.044
• 9044
• 90.08
• 90.44

123.6 - 0.08 =

• 123.2
• 122.8
• 124.4
• 123.52

Ned and Sarah were running a relay race. The race was 22.01 kilometers total. If Ned ran 9.41 kilometers how far did Sarah run?

• 12.6 km
• 31.42 km
• 12.6 runs
• 31.42 Sarahs

Layla went to a coffee shop. She bought 2 cupcakes with $5.70, 1 juice with $1.50, and and ice cream cup for her brother with $3.50. If Layla has $15, how much change will the cashier give her back?

• $4.5

• $4.3

• $4.4

• $4