Unit 2: Adding and Subtracting Whole Numbers and Decimals

In 1983, Smith's Popcorn employed 436 people. Twenty years later, in 2003, the company employed 594 people. What is an estimate for the difference between the number of employees in 1983 and 2003?

• A. about 1,200 employees

• B. about 400 employees

• C. about 200 employees

• D. about 1,030 employees

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

Herman bought a sweater for $28 and a shirt for $13. Which is a way to find out how much change he would get from $50?

• A. Subtract the difference of 28 and 13 from 50.

  50 - (28-13)

• B. Add 13 to the difference of 50 and 28.

  13+ (50-28)

• C. Subtract the sum of 28 and 13 from 50.

  50- (28 + 13)

• D. Add 50 to the difference of 28.25 and 13.99.

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Alana has one piece of ribbon that is 3.758 centimeters long and another piece that is 37.4 centimeters long. What is the combined length of the two ribbons?

• A. 7.498 centimeters

• B. 41.158 centimeters

• C. 33.642 centimeters

• D. 74.98 centimeters

Tags

CCSS.3.NBT.A.2

Pasha went to a football game. She spent $5.50 on a ticket, $4.00 on a hot dog, and $3.00 on a drink. How much money did Pasha spend at the football game?

• A. $13.21

• B. $11.50

• C. $12.50

• D. $9.71

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Chuong is doing a report on the Revolutionary War. He wants to buy a book about the Battle of Bunker Hill that costs $13.78 and a book about the Continental Congress that costs $24.49. What is the total cost of the two books?

• A. $3.83

• B. $38.27

• C. $382.70

• D. $37.17

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Claire went to the movie theater. She spent $6.75 on a ticket, $3.00 on popcorn, and $2.00 on a drink. How much money did Claire spend at the movie theater?

• A. $5.00

• B. $6.75

• C. $13.75

• D. $11.75

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Colleen bought 4 sweaters for $23 each. How much change did she get from two $50 bills?

• A. $10

• B. $8

• C. $6

• D. $12

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.A.3

CCSS.3.OA.C.7

CCSS.3.OA.D.8

The three fastest times in the 100-meter backstroke event were 53.47 seconds, 53.74 seconds, and 54.07 seconds. What is the difference, in seconds, between the two fastest times?

• A. 107.21 second

• B. 0.27 second

• C. 161.28 second

• D. 0.6 second

Tags

CCSS.3.MD.A.1

One squirrel weighed 0.217 pounds, while another squirrel weighed 0.306 pounds. How much greater was the second squirrel's weight than the first's weight?

• A. 0.189 pounds

• B. 0.089 pounds

• C. 0.111 pounds

• D. 0.099 pounds

Tags

CCSS.3.MD.A.2

CCSS.3.NBT.A.2

On Saturday, 22,425 people attended a state fair. On Sunday, 28,566 attended the fair. What was the total weekend attendance at the fair?

• A. 50,991

• B. 51,981

• C. 50,981

• D. 50,141

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8