7th Grade Math

Lesson 2 Multiply Decimals 9

Multiply.

8. 0.6 × 2 9. 0.7 × 18 10. 8 × 0.3


9. 36 × 0.46 12. 380 × 1.25 13. 42 × 0.17


10. 0.4 × 16 15. 0.23 × 0.2 16. 12.2 × 12.4


11. 0.44 × 5.5 18. 0.44 × 55 19. 44 × 0.55


12. PETS One can of dog food costs $0.56. How much will 4 cans of this dog
    food cost?


13. SCHOOL SUPPLIES Leonardo buys two School Supplies
    Item Cost
    3-ring binder $3.95
    Package of pens $2.19
    Notebook paper $1.99
    Ruler $0.75

3-ring binders and a package of notebook

paper. If he pays using a $20 bill, how

much change will he receive?

22. CELL PHONES A new brand of cell phone is
    3.5 inches long. One inch is approximately
    equal to 2.54 centimeters. How long is the
    cell phone in centimeters?


23. MEASUREMENT Find the area of a rectangle that has a base of 7.5 meters
    and a height of 1.5 meters. (Hint: The formula for the area of a rectangle
    is A = w.)


24. EARNINGS Cora earns $10.75 per hour. What are her total weekly earnings
    if she works 34.5 hours? Round to the nearest cent.


25. SKATING The cost of 5 youth tickets at a skating rink is $26.25. Three
    skaters need to rent skates for $5.50 each. What is the total cost of
    5 tickets and 3 skate rentals?


26. FIELD TRIPS Each student who attends the field trip to the science
    museum must pay $6 for transportation and $5.75 for admission. There
    are 65 students attending the field trip. How much money is needed for
    transportation and admission?


27. FIND THE ERROR Raul is finding 2.6 × 2.2.
    Find his mistake and correct it.

2.6

x 2.2

57.2

Real-World Link

Nearly 39% of

U.S. households

own a dog. Nearly

34% of U.S.

households own

a cat.

(^) RRRRRRRRR
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