Add and Subtract Decimals with Word Problems

Kristen lives 132.95 meters from Dallas, Texas. Brian lives 207.6 meters from Dallas, Texas. What is the difference between these two distances?

• 340.55 meters

• 746.5 meters

• 74.65 meters

• 7.465 meters

Colin saved $82.23 and Sam saved $41.10 for a present for Mrs. Lewis. How much money do they have in all to spend?

Miley buys an assorted box of chocolates that contains 18.61 ounces of dark chocolate and 37 ounces of milk chocolate. How much more milk chocolate does she have than dark chocolate?

Daniel ran a distance of 3.5 miles on Saturday and then 3.212 miles on Sunday. How many miles did Daniel run in all?

What is the first step when adding and subtracting decimals?

• Line up the numbers

• Line up the decimals

• Add or subtract like normal

• Add in placeholders

Start with 3.9→Add 5.29→Subtract 2.305 __________

• 6.782

• 6.885

• 11.495

• 6.083

Start with 43.9→Subtract 5.74 →Add 34 ___________

• 71.16

• 72.16

• 70.66

• 72.54

Start with 20→Subtract 8.49→Add 16.5 __________

• 19.08

• 28.34

• 18.28

• 28.01

Start with 7.6→Add 5.083→Subtract 2.53 ____________

• 10.153

• 11.143

• 10.223

• 9.134

Start with 3.345→Add 0.5→Subtract 1.38 ___________

• 2.543

• 1.445

• 0.82

• 2.465