Multiplication of Decimals Word Problems

On Friday, Sally talks for 38.4 minutes on her cell phone. On Saturday, she uses 5.5 as many minutes as she did on Friday. How long does Sally talk on her cell phone on Saturday?

• 329

• 43.9

• 211.2

• 32.9

Miley weighed two rocks. The first rock weighed 3.87 grams, the second rock weighed five times as much as the first rock. How much did the second rock weigh?

• 8.87

• 19.35

• 7.74

• 193.5

Billy bought 3.5 pieces of wood to build a bird feeder. Each piece of wood cost $1.50. How much did Billy spend on wood for his bird feeder?

WHICH OPERATION WOULD YOU USE TO SOLVE THIS PROBLEM?

• Division

• Multiplication

• Subtraction

• Addition

Hill Song Elementary is .40 the size of Hill Lake Elementary. If Hill Lake has 235 students, how many students are at Hill Song? DO NOT INCLUDE THE LABEL.

It costs $8.95 per person to attend the state museum.  All 352 fifth graders attended.  How much did they pay to go on the field trip?

• $3,150.40

• $782.10

• $54.40

• 360.95

Haley bought 7.4 pounds of wood chips for her 3 gardens.  Wood chips cost $4.29 per pound.  How much did Haley spend on wood chips?

• $31.75

• $94.50

• $22.2

• $317.50

Giovanni bought 7 packs of trading cards.  Each pack cost him $4.89.  How much did he spend on cards?

• $33.54

• $34.23

• $74.89

• $342.30

Jackie bought 4.2 pounds of apples at the orchard. Apples cost $1.45 per pound. How much did she pay in total for apples? How much change did she get back if she paid with a twenty dollar bill?

• total = $6.90 and

• change = $13.91

• total = $4.20 and

• change = $15.80

On Saturday,12 friends go ice skating.Altogether,they pay $83.40 for admission.They share the cost equally.How much does each person pay?

• 7.95

• 6.95

• 9.93

• 8.73

Hummingbirds flap their wings extremely fast. Their wings can flap about 13.35 times per second. How many times would a hummingbird flap its wings in 11.15 seconds?

WHICH OPERATION WOULD YOU USE TO SOLVE THIS PROBLEM?

• Multiplication

• Division

• Subtraction

• Addition