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1. |
Find the sum -6.25 + (-1.3). |
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A. |
-4.95 |
B. |
-7.55 |
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C. |
7.55 |
D. |
4.95 |
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Hint |
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2. |
Find -10.75 - 2.25. |
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A. |
-8.5 |
B. |
8.5 |
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C. |
13 |
D. |
-13 |
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Hint |
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3. |
Ten video stores were surveyed to find the cost of renting a new release video. The costs were $1.99, $2.99, $1.75, $1.99, $2.50, $1.50, $0.99, $1.99, $2.99, and $3.49. What is the mode of this set of data? |
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A. |
$1.99 |
B. |
$0.99 |
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C. |
$1.99 and $2.99 |
D. |
$2.22 |
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Hint |
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4. |
Choose the solution of 3x + 7 = 10 if the replacement set is {-1, 0, 1, 2}. |
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A. |
2 |
B. |
-1 |
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C. |
1 |
D. |
0 |
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Hint |
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5. |
 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Which equation does the model represent? |
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 |
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A. |
x + 5 = 1 |
B. |
x + 5 = -1 |
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C. |
x + (-5) = -1 |
D. |
x + (-5) = 1 |
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Hint |
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7. |
In 1960, Chile experienced the largest earthquake of the century. The magnitude was 9.5 on the Richter scale. In 1952, Ecuador had the fourth largest earthquake. The magnitude was 0.7 less than the earthquake in Chile. What was the magnitude of the earthquake in Ecuador? |
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A. |
11.2 |
B. |
8.8 |
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C. |
7.8 |
D. |
10.2 |
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Hint |
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8. |
Write  ,  , and  in order from least to greatest. |
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A. |
, , |
B. |
, , |
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C. |
, , |
D. |
, , |
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Hint |
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9. |
Liana wants to buy bagels at the grocery store. There are four brands for her to pick from, all of which have the same size and type of bagels. Use the chart to decide which bag of bagels would be the best buy for Liana. |
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A. |
Rock's Bagels |
B. |
Loaner's Bagels |
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C. |
Lotsa' Bagels Inc. |
D. |
Bagellicious Bagels |
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Hint |
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10. |
Jessica was hanging out at home with her dog Chelsea, who was looking out the window. She noticed that Chelsea barked 5 times when a squirrel walked by, 12 times when a woman walked by, 14 times when a man walked by, 10 times when a dog walked by, and 3 times when a leaf blew by. What was the mean, or average, number of times Chelsea barked when something passed the window? |
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A. |
8.8 barks |
B. |
14.6 barks |
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C. |
9.5 barks |
D. |
11.2 barks |
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Hint |
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11. |
Which equation does the model represent? |
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 |
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A. |
x + (-7) = 4 |
B. |
x + (-4) = 7 |
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C. |
x + 7 = -4 |
D. |
x + 4 = -7 |
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Hint |
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12. |
Which equation below is not an example of the Subtraction Property of Equality? |
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A. |
If x = 2, then x = 3 – 1. |
B. |
If x = 0, then x – 4 = 0 – 4. |
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C. |
If x = -5, then x – 2 = -5 – 2. |
D. |
If x = 3, then x – 4 = 3 – 4. |
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Hint |
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13. |
Solve |c + 3| – 4 = -2 |
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A. |
no solution |
B. |
-1 or 5 |
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C. |
-1 or -5 |
D. |
1 or 5 |
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Hint |
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14. |
Solve |r| + 9 = 14. |
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A. |
-23 or 23 |
B. |
-5 or 5 |
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C. |
23 |
D. |
5 |
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Hint |
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