Adding Decimals Word Problems

Find the sum:

38.3 + 2.715

• 41.15

• 41.015

• 4.1015

Daniel had $6.78.

His grandmother gave him $3.14.

How much money does Daniel have now?

• $9.92

• $9.82

• $3.64

• $9.90

John ate a snack with 80.79 total calories.

If the chips he ate were 43.39 calories,

how many calories were in the rest of his snack?

• 124.08 calories

• 124.08 chips

• 37.4 chips

• 37.4 calories

Ms. Garrsion was measuring the amount of rain two cities received over a week. Oklahoma City received 3.74 inches while Edmond received 9.8 inches. How much rain did they get total?

• 13.54 inches

• 6.06 inches

• 13.14 inches

Answer the question above.

• A

• B

• C

• D

• $14.94

• $15.30

• $16.20

• $18.00

Answer explanation

To find the total amount spent, multiply the price per pound by the pounds of each fruit and add the results: (3.5 * 2.40) + (2.75 * 3.60) = 8.40 + 9.54 = $14.94. Therefore, Linda spent $14.94 in total.

Mike read a book for 2.5 hours on Saturday and 3.75 hours on Sunday. If he reads an additional 1.25 hours on Monday, how many hours in total will he have read?

• 6.0 hours

• 7.5 hours

• 5.5 hours

• 8.0 hours

Answer explanation

To find the total hours Mike read, add 2.5 hours on Saturday, 3.75 hours on Sunday, and 1.25 hours on Monday: 2.5 + 3.75 + 1.25 = 7.5 hours.

Ali grew 2.3 inches this school year and Mary grew 2.38 inches. How much did they grow all together? 

• 4.68 inches

• 0.08 inches

• 2.5 inches
  2.58 inches

• 5.68 inches

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

• 2.5 pounds

• 25.0 pounds

A bakery sold 125.5 loaves of bread on Monday and 132.75 loaves on Tuesday. If each loaf costs $2.50, how much total revenue did the bakery earn from the loaves sold on these two days?

• $646.25

• $324.50

• $647.50

• $645.00

Answer explanation

Total revenue = (125.5 + 132.75) * $2.50 = $646.25. Therefore, the correct total revenue earned by the bakery is $646.25.