Decimal Multiplication and Division

Paula wants to buy 3 shirts and 2 belts. The shirts cost $16.89 each, and the belts cost $8.97 each. Paula has $45.Which of these amounts is the best estimate of how much more money Paula needs in order to buy the shirts and belts?

• A) $16

• B) $10

• C) $24

• D) $5

Tags

CCSS.5.NBT.B.7

Mrs. Pierce wrote the the following expression on the board. 2(5.92 - 1.3) + 3.7Below is the work several of Mrs. Pierce's students turned in. Which student has correctly simplified this problem?

Peter

= 2(4.62) +3.7

= 9.24+3.7

=12.94

Bethany

= 2(4.62) +3.7

= 2(8.32)

= 13.64

Juan

= (11.84 - 1.3) + 3.7

= 10.54 +3.7

= 14.24

KC

= 2(4.62) + 3.7

= 9.24 + 3.7

= 9.61

• A) Peter

• B) Bethany

• C) Juan

• D) KC

A scientist used 1.2 L of water in an experiment. She also used olive oil in the experiment. The amount of olive oil used was 0.49 L less than the amount of water used.What was the combined amount of water and olive oil that the scientist used in the experiment?

• A) 1.91 L

• B) 1.69 L

• C) 0.71 L

• D) 2.09 L

Tags

CCSS.5.MD.C.5

CCSS.5.NBT.B.7

George bought 3 peppers for a cost of $0.40 each. The model represents this situation.

Which equation shows how to find the total cost in dollars and cents of the peppers George bought?

• A) 3 × 4 = 12.00

• B) 3 × 40 = 120.00

• C) 3 × 0.40 = 1.20

• D) 3 × 0.40 = 0.12

Marilyn went shopping on Tax Free Shopping Day and bought 3 pair of jeans for $49.95 each and two shirts for $24.99 each. How much money did she pay for her new clothes?

• A) $74.95

• B) $174.84

• C) $199.83

• D) $199.73

Tags

CCSS.5.NBT.B.7

A model is shown.Which expression is represented by the model?

• A) 2.4 – 4

• B) 2.4 × 4

• C) 2.4 ÷ 4

• D) 2.4 + 4

A farmer has 893.7 pounds of seed. He wants to plant equal amounts of seed every day for 45 days. How many pounds of seed will the farmer have to plant each day?

• A) 40,216.5

• B) 19.86

• C) 20.32

• D) 17.88

3.2 x 0.12

• 0.384

• 3.84

• 38.4

• 384

• 0.064

• 64

• 0.64

• 6.4

Lisa cut a rope that was 19.75 meters long into 3 pieces. The first piece of rope was 6.4 meters long, and the second piece of rope was 4.36 meters long. How long was the third piece of rope?

• A) 10.76 m

• B) 8.99 m

• C) 30.51 m

• D) 9.35 m