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1. |
The table shows the cost of mailing a package. Predict the cost of mailing a package that weighs 10 pounds. |
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A. |
$8.00 |
B. |
$8.90 |
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C. |
$10.70 |
D. |
$9.80 |
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Hint |
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2. |
Solve  = 5. |
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A. |
4 |
B. |
14 |
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C. |
36 |
D. |
45 |
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Hint |
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3. |
Write an integer to describe a city 325 feet above sea level. |
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A. |
+325 and -325 |
B. |
+325 and |-325| |
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C. |
-325 |
D. |
+325 |
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Hint |
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4. |
Choose the correct symbol below to make the sentence true.
-6 ___ -5 |
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A. |
none of these |
B. |
> |
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C. |
< |
D. |
= |
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Hint |
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5. |
Solve m = (-8) + 14. |
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A. |
-6 |
B. |
-22 |
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C. |
22 |
D. |
6 |
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Hint |
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6. |
Solve d = 5 + 13 + (-6). |
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A. |
-24 |
B. |
-12 |
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C. |
12 |
D. |
24 |
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Hint |
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7. |
Evaluate the expression 3 + x + y + (-7) if x = -2 and y = 5. |
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A. |
2 |
B. |
-2 |
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C. |
-1 |
D. |
1 |
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Hint |
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8. |
Find the value for t in t = 41 - (-19). |
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A. |
22 |
B. |
-60 |
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C. |
-22 |
D. |
60 |
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Hint |
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9. |
Solve a = (-1)(-4)(-3). |
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A. |
-8 |
B. |
13 |
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C. |
12 |
D. |
-12 |
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Hint |
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10. |
If an object falls 128 feet in 2 seconds, find the average distance traveled each second. |
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A. |
128 ÷ 2 = 64 |
B. |
2 ÷ 128 = 64 |
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C. |
-128 ÷ 2 = -64 |
D. |
2 ÷ (-128) = -64 |
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Hint |
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11. |
Solve t - (-5) = -2. |
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A. |
3 |
B. |
-3 |
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C. |
-7 |
D. |
7 |
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Hint |
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12. |
Write an equation and solve. Two integers have a product of 45. One of the integers is -5. What is the other integer? |
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A. |
n(-5) = 45 and n = 9 |
B. |
n(-5) = 45 and n = -9 |
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C. |
n(-5) = -45 and n = -9 |
D. |
n(-5) = -45 and n = 9 |
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Hint |
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13. |
Solve 256 = 16w. |
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A. |
16 |
B. |
1 |
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C. |
4096 |
D. |
256 |
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Hint |
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14. |
Solve  = 43. |
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A. |
46 |
B. |
40 |
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C. |
129 |
D. |
9 |
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Hint |
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15. |
Solve p = 5 + 13 + (-3). |
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A. |
p = -11 |
B. |
p = 15 |
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C. |
p = 5 |
D. |
p = 21 |
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Hint |
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16. |
An elevator started on the 10th floor. It rose 2 floors, dropped 7 floors, and then rose 1 floor. What floor did the elevator end on? |
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A. |
20th floor |
B. |
6th floor |
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C. |
Basement (-1st floor) |
D. |
4th floor |
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Hint |
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17. |
Which is a counterexample for the following statement?
The difference of two odd numbers is an odd number. |
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A. |
15 - 7 = 8 |
B. |
15 – 4 = 11 |
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C. |
7 + 9 = 16 |
D. |
12 – 5 = 7 |
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Hint |
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18. |
Evaluate -4p – r if p = -6 and r = 3. |
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A. |
-27 |
B. |
27 |
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C. |
21 |
D. |
-21 |
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Hint |
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19. |
An African elephant calf weighs about 250 pounds at birth. A male adult elephant weighs 12,000 pounds. Which equation can be used to determine the number of pounds the elephant gains in his lifetime? Let p represent the number of pounds gained. |
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A. |
250p = 12,000 |
B. |
250 + p = 12,000 |
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C. |
250 – p = 12,000 |
D. |
12,000 + p = 250 |
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Hint |
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20. |
Solve -16m = -128. |
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A. |
-2,048 |
B. |
-8 |
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C. |
2,048 |
D. |
8 |
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Hint |
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