MTH011B |Math Foundations II | Unit 1 Graded Assignment| Operations and Real Numbers
Graded Assignment
Unit 1 Assignment
Answer each unit review question. When you are done, give your assignment to your teacher according to his or her directions.
Solve the following problems:
(1 point)
1. Write the opposite of this integer. + 245
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2. Find the absolute value.
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3.
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4.
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5. -13 + (-17) =
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6. (-5 + 3) + (-12) =
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7. -29 − (-5) =
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8. 18 − (-4) =
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9. On Saturday, Kelly borrowed $15 from her sister. The next day, she paid back $4. On Tuesday, she borrowed $9 more. How much money does Kelly now owe her sister?
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10. (8)(-2)(-3) =
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11.
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12.
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13. Solve for z. -3z + 8 = -1
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14. The water level in a tank decreased 8 inches in 4 minutes. The tank drains at a steady rate. What is the change in the water level each minute?
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15. What type of number is the result of multiplying a negative number by a negative number?
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16. Kaylie had $1250 in her savings account. She withdrew $82 each month for 8 months in order to pay for a summer vacation. How much did Kaylie have in her account at the end of the 8 months?
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17. Solve for x. 3x + 2 = y; y = 2
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18. Solve for y. y = 2x + (-2); x = -3
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19. The point at which the x-axis and the y-axis intersect on a coordinate graph is called the point of origin.
true
false
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20. Round 365,986.091 to the nearest whole number.
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21. The astronomy club plans to wash cars to raise money for a new telescope. With tax, the telescope costs $327.19. Estimate how many cars will have to be washed to cover the entire cost of the telescope if the club charges $5.00 per car
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22. Todd rounded 1.73629 to the nearest thousandth. He wrote 1.736. Was he correct?
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23. (20 − 12)6 − 5(5 − 3) =
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24. 2(24 + 9) + 2(15 − 8) =
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25. Which property is illustrated by (6.3x)y = 6.3(xy) ?
commutative property of multiplication
associative property of multiplication
multiplicative identity
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26. Which property is illustrated by (7.3 + 5.1) + x = 7.3 + (5.1 + x) ?
additive property
commutative property of addition
associative property of addition
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27. What property is illustrated by ?
commutative property of multiplication
associative property of multiplication
distributive property
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28. A rectangular prism has a length x + 2, width 2, height 4, and volume 24. What is the length?
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29. Anna has $50.00 in the bank. She adds $5.00 in the first week, $10.00 in the second week, and $15.00 in the third week. At this rate, how much money will she have in the bank at the end of 6 weeks?
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30. The Burns have 2 children. The sum of their ages is 23 and the product is 132. How old are the children?
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31. If you start with a number, add 5, then multiply by 7, the result is 133. What was the original number?
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32. Dusty produces 22 items in 15 minutes. Alan produces 18 items in 12 minutes. Which worker is more productive?
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33. Choose the answer that displays this decimal in lowest fraction form of 8.05.
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34. Evaluate this expression. Choose the answer in lowest terms. a = 16 and b = 32
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35. Evaluate this expression. a = -3 and b = 2
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36. The Wilson family took 3 hours and 45 minutes to travel from their home to their cousins' home for Thanksgiving. Which answer correctly shows their travel time as a fraction in simplest form?
hours
hours
hours
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37.
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38.
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39. x =
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40.
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