Multiplying Decimals by Whole Numbers and Adding Decimals

Mary drives a total of 5.36 miles round trip each day going to her job. In 5 days, how many miles will Mary drive going to her job?

• 25.5

• 25.8

• 26.8

• 26.85

Derek has a collection of ten model cars. Each car is 3.25 inches long. If he lined up his cars in a row, how many inches long would the entire collection be?

• 325 inches

• 32.5 inches

• 0.325 inches

• 0.0325 inches

Travis buys 3 club sandwiches for $5.79 each. What is the total cost of the sandwiches?

• $16.67

• $17.37

• $18.27

• $18.67

Jackie bought 100 stamps. Each stamp cost $0.37. How much did Jackie spend?

• $3,700.00

• $370.00

• $37.00

• $3.70

Leon wrote the product below without a decimal point. Where should he place the decimal point?

6.18 × 3 = 1854

• 1.854

• 185.4

• 0.1854

• 18.54

Four pieces of ribbon are each 0.12 meter long. Sandra multiplies 4 × 0.12 to find the total length, in meters. What is the product?

• 0.48

• 0.048

• 4.08

• 4.8

Jason's family drinks 1.95 gallons of milk each week. Which is the best estimate of the number of gallons they will drink in half a year (26 weeks)?

• 52 gallons

• 45 gallons

• 40 gallons

• 30 gallons

Last month, Keiko bought 6 reggae CDs. Each CD cost $14.79, including tax. Which is the best estimate of the amount of money Keiko spent on her CDs?

• $75

• $80

• $84

• $90

What is the product of 1.9 x 5?

• 7.3

• 8.55

• 8.5

• 9.5

0.09 x 7 =

• 63 tenths

• 6.3

• 0.063

• 63 hundredths