Illustrative Adding and Subtracting Decimals

6.8 - 2.93

• 3.86

• 3.27

• 3.87

• 3.77

50 - 8.32

• 41.68

• 42.68

• 41.78

• 41.88

Find the difference 27.96 - 16.2

• 11.67

• 11.76

• 12.07

• 11.89

7.05 - 4.6 =

• 2.45

• 3.65

• 11.65

• 11.45

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

-12.4 + 9.2 + 1 

Mathematical Equivalence

ON

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

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?

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

86.04 + 4.04

• 9.044

• 9044

• 90.08

• 90.44