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For this assignment you will complete the following 30 math questions and put the answers on the attached answer sheet

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CT 107 Test #1

Name: _______________

1.

A heavy equipment operator contracts to excavate 1340 cubic yards of earth for a house

foundation. How much remains to be excavated after 565 cubic yards are removed?

2.

An offset press feeds at the rate of 1,950 impressions per hour. How many impressions can

a press operator print in 14 hours?

3.

A baker mixes a batch of dough that weighs 180 pounds. The dough consists of 110¼

pounds of flour, 2 pounds of salt, 6¾ pounds of sugar, 1 1/3 pounds of malt, 4 1/3 pounds of

shortening, and water. How many pounds of water are contained in the batch?

4.

A nurse practitioner gave a patient Six ½ tablets of morphine for pain over a 24-hr period.

If one morphine tablet contains ¼ grain (gr) of morphine, how much morphine does the

patient receive, total?

5.

A radiologist experiments with smaller amounts of radiation to see how the quality of an Xray is affected. A normal amount is 96 mAs (millampere-seconds). How many mAs will a

patient receive if they get ¾ the normal amount?

6. An engine uses 9 gallons of gasoline when it runs for 7 ½ hours. If it runs at the same speed

how many gallons will be used in 12½ hours?

7. A building contractor determines the total cost of a job as $51,500. Labor costs are $23,800.

What decimal fraction of the total cost is the labor cost?

_______________

8. How many square inches are there in one square foot? __________________

9. If a tile is 6 inches by 6 inches, how many square feet do 20 tile cover? __________________

10. A floor installer is installing ten-inch square tile on an area of 3,760 sq. ft. How many tile

will be needed?

___________

11. A square tile has sides of length 18 inches. What is the area of the tile? ________

12. Express 72% as a decimal __________

13. What percent of 9 is 4?

_________

14. An investor makes $12,500 on an construction project which represents 20% of the total

profits. How much was the total profits on the project?

_____________

15. Solve: -9 + (-4) + (11 – 8)2 = ___________

16. -10 – (-7) = _________

17. -25/(-5) = _________

18. (-4)-3 = _________

19. (10-3)(104)2 = _________

20 Convert to scientific notation: 625.2 → ______________

21. Convert to engineering notation: .00005617 → ______________

22.

Express 65 inches as feet and inches: ________________

23. Express 6½ yds as feet and inches: _________________

24. Solve and express as feet and inches 3 ft 8 in + 5 ft 7 in – 18 inches: ________________

25. A tile is 1.25 ft by 1.25 ft. How many will you need to tile a 450 sq ft floor?

26. How many significant digits do the following numbers have?

a. 623.00

___________

b. .00623

___________

c. 623000

___________

d. 6230.0

___________

27. Convert 231 cm into m = _________

28. Convert 67 km/hr into ____________ m/sec

29. 4.4 x 107 milliamperes = __________ kiloamperes

30. A tank in the shape of a cube holds 350 gallons of water. Convert to ft3 and then find the

measurement of each side of the tank! ____________

x

350 gal

x

x

CT 107 Answer Sheet TEST #1

1. __________________

2. __________________

3. __________________ (must be in fraction form, not decimal)

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26. a. _________ b. _______ c. _______ d. ________

27. __________________

28. __________________

29. __________________

30. __________________

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Tags:

math

scientific notation

metric system of measurement

engineering notation

decimal fraction

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