Adding and Subtracting Decimals

Tyra went to the movies and bought a coke for $1.25, popcorn for $4.25 and peanut butter M&Ms for $3. How much did Tyra spend in all?

• $5.53

• $8.50

• $7.53

• $10.50

Answer explanation

IN ALL --> Adding

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Hilary bought TWO movie tickets for $7 each and a coke for $2.85. How much money did Hilary spend in all?

• $5.85

• $4.15

• $9.85

• $16.85

Answer explanation

Take note the word TWO tickets that costs $7 EACH, meaning 7 plus 7.

And the word IN ALL meaning adding.

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.A.3

CCSS.3.OA.C.7

CCSS.3.OA.D.8

Ben bought a sandwich for $8.82. He paid with a ten-dollar bill. How much change did Ben receive?

• $18.18

• $12

• $1.18

• $8.82

Answer explanation

How much CHANGE means subtracting.

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Marcy ran 18 miles on Monday, 3.45 miles on Tuesday, and 0.78 miles on Wednesday. How far did Marcy run in all?

• 22.23 miles

• 24 miles

• 25.92 miles

• 27 miles

Answer explanation

IN ALL --> Adding

Tags

CCSS.3.NBT.A.2

Ms. Thompson has two trees in her backyard. The first is 20 feet tall. The second is 12.25 feet tall. What is the difference in height between these two trees?

• 32.25 feet

• 18.25 feet

• 7.75 feet

• 2.35 feet

Answer explanation

DIFFERENCE means subtracting!

Tags

CCSS.5.NBT.B.7

Ms. Fletcher got $16.72 worth of gas. If Ms. Fletcher paid with a twenty-dollar bill, how much change will she receive?

• $36.72

• $3.28

• $26.19

• $4.72

Answer explanation

CHANGE means subtracting.

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Amelia bought a bag with 5.8 pounds of flour in it. She used 0.97 pounds of flour. How much flour does Amelia have left?

• 4.83 pounds

• 5.90 pounds

• 6 pounds

• 6.77 pounds

Answer explanation

LEFT means subtracting.

Tags

CCSS.3.MD.A.2

CCSS.3.NBT.A.2

Grace swam a mile in 21 minutes. Jill swam a mile in 19.47 minutes. How much faster did Jill swim than Grace?

• 3.03 minutes

• 40.47 minutes

• 1.53 minutes

• 4.04 minutes

Answer explanation

Remember, you are looking for the difference of their time. And DIFFERENCE means SUBTRACTING.

Tags

CCSS.3.MD.A.1

CCSS.3.NBT.A.2

Ian bought a pair of shoes for $48 and a pair of socks for $7.55. How much did Ian spend in all?

• $28.03

• $55.55

• $35.32

• $15.21

Answer explanation

IN ALL --> Adding

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Frank drove 487.3 miles on Monday, 155.38 miles on Tuesday, and 610 miles on Wednesday. How far did Frank drive altogether?

• 125.43 miles

• 1023 miles

• 1252.68 miles

• 1892 miles

Answer explanation

ALTOGETHER --> Adding

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7