Add and Sub Decimals

8.7-4.3=______

• 4.4

• 4.3

• 4.2

• 4.1

add 0.3+0.5=

• 0.3

• 0.8

• 0.5

• 0.9

123.45 + 67.89

• 191.34

• 201.34

• 211.34

• 221.34

15.07 - 12.2=

• 2.87

• 1.87

• 3.87

• 2.80

-12.4 + 9.2 + 1 

Mathematical Equivalence

ON

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?

7.9-3.47=

• 11.37

• 4.43

• 3.32

• 4.37

94-4.8=

• 89.2

• 5.4

• 90.80

• 98.8

Jan walked 7.2 miles. Bob walked 3.91 miles. How much farther did Jan walk than Bob? 

• 11.11 miles

• 32.1 miles

• 3.29 miles

45 + 6.5

• 1.1

• 110

• 11

• 51.5