Adding and Subtracting Decimals

Jeremy weighs 87 pounds. Tamara weighs 62.84 pounds. How much more does Jeremy weigh than Tamara? 

• 24.16

• 25.84

• 149.84

• Not here

Answer explanation

To find how much more Jeremy weighs than Tamara, subtract Tamara's weight from Jeremy's: 87 - 62.84 =

Rodney rode his bicycle 3.7 miles to his grandmother's house, 4.62 miles to the city park, and 2.5 miles back to his house. What was the number of miles Rodney rode? 

• 9.92 mi

• 5.24 mi

• 10.82 mi

• Not here

Answer explanation

Rodney rode 3.7 miles to his grandmother's house, 4.62 miles to the city park, and 2.5 miles back home. Adding these distances:

Sebastian was measuring the length of 3 different pieces of wood to build a clubhouse. The first piece of wood he measured was 7.6 meters long. The second piece was 2.1 meters longer than the first and the third piece was 4.8 meters long. What was the total length for all 3 pieces of wood Sebastian measured? 

• 14.5 m

• 22.1 m

• 20.5 m

• Not here

0.82 + 0.46 = 12.8

• True

• False

$2.00 - $1.74 =

• True

• False

Which statement(s) are true? Fill in ALL that apply.

• Natlie ran 2.34 more miles in July than in September.

• Natlie ran 54.41 miles in August and October. 

• Natlie ran 7.74 more miles in October than in September.

• Natlie ran 49.41 miles in July and August. 

• Natlie ran 66.6 miles in October and July. 

Rodney's dog weighs 7.3 pounds. His cat weighs 4.5 pounds. How much more does Rodney's dog weigh than his cat?

Answer explanation

To find how much more Rodney's dog weighs than his cat, subtract the cat's weight from the dog's weight:

Macy sketched the model below to show the distance from her house to her elementary school in miles. She lives 0.3 of a mile from the park. How much farther is the school from her house than the park?

• 0.8

• 1.5

• 0.9

• 1.2

Answer explanation

Macy lives 0.3 miles from the park. If the school is 1.5 miles from her house, the distance from the school to the park is

Shannon bought 3.48 yards of string for an art project. She used 1.4 yards for the first part of the project. How much string does she have left?

• 2.80 yards

• 4.88 yards

• 2.44 yards

• 2.08 yards

Answer explanation

Shannon started with 3.48 yards and used 1.4 yards. To find the remaining string, subtract:

The Martinez family drank 4.84 pints of soda during a family gathering. They also drank 3.4 pints of punch. Solve for p, the number of pints of drinks the Martinez family drank.

• 1.84= p

• 1.44= p

• 8.24= p

• 4.5= p