Whole Number Multiplication
Estimate Products
Multiply by decimals
Multiply Decimals
Word Problem
100

367 x 25

6,675

100

1.2 x 34

30

100

27 x 2.3

62.1

100

6.23 x 15

93.45

100

Mike buys 12 pens that cost $1.15 each.  How much did Mike spend?

$13.80

200

452 x 31

14,012

200

7.4   x  67

490

200

14.3 x 18

257.4

200

5.81 x 33

191.73

200

Kim buys 3 markers that cost $0.25 and 2 notebooks that cost $2.13 each.  How much did Kim spend?

$5.01

300

336 x 123

41,328

300

23.4 x 4,880

100,000

300

67 x 4.3

288.1

300

92.34 x 344

31,764.96

300

A living room measures 24ft by 15ft.  If carpet cost $6.34 per square foot, what is the total cost of putting carpet in the room?

$2,282.40

400

3,238 x 452

1,463,576

400

62.35 x 812

48,000

400

73.2 x 634

46,408.8

400

76.22 x 632

48,171.04

400

A gallon of gas costs $4.34.  Greg puts 12 gallons of gas in his car.  He has a $50 bill.  Does Greg have enough money to pay for his gas?  If not, how much more does he need?

He does NOT have enough money.  He needs $2.08 more

500

6,879 x 746

5,131,734

500

937.88 x 712.88

630,000

500

3,132 x 23.6

73,915.2

500

98.89 x 687

67,937.43

500

Seth drinks a glass of orange juice every day that contains 0.6 grams of vitamin c.  He eats a serving a strawberries for snack every day after school that contains 0.35 grams of vitamin c.  How many grams of vitamin c does Seth consume in 3 weeks?

17.85 grams

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