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1. |
Identify the algebraic expression that does not represent the multiplication of 14 and the variable z. |
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A. |
14 + z |
B. |
14 · z |
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C. |
14z |
D. |
14 × z |
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Hint |
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2. |
Evaluate j ÷ k if j = 45 and k = 9. |
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A. |
45 ÷ 9 = 5 |
B. |
45 ÷ 9 = 405 |
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C. |
45 ÷ 5 = 9 |
D. |
45 ÷ 1 = 45 |
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Hint |
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3. |
Evaluate n6 if n = 2. |
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A. |
36 |
B. |
16 |
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C. |
64 |
D. |
12 |
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Hint |
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4. |
Identify the solution of 84 ÷ r = 12. |
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A. |
21 |
B. |
7 |
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C. |
72 |
D. |
6 |
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Hint |
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5. |
Use the circle graph below that shows what kids aged 8 to 18 would bring to a desert island. What percent of kids chose either TV or video games? |
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A. |
30% |
B. |
13% |
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C. |
50% |
D. |
100% |
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Hint |
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6. |
Round 0.1377 to the underlined place-value position. |
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A. |
0.130 |
B. |
0.137 |
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C. |
0.1378 |
D. |
0.138 |
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Hint |
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7. |
Two new pennies weigh 3.15 grams and 3.128 grams, respectively. Find the difference of their weights. |
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A. |
0.11 g |
B. |
0.023 g |
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C. |
0.22 g |
D. |
0.022 g |
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Hint |
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8. |
Find the prime factorization of 32. |
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A. |
2 × 2 × 2 × 2 |
B. |
2 × 2 × 2 × 2 × 2 |
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C. |
2 × 3 |
D. |
2 × 2 × 2 × 2 × 2 × 2 |
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Hint |
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9. |
Evaluate 2 + 15 ÷ c – 4 if c = 3. |
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A. |
-13 |
B. |
13 |
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C. |
3 |
D. |
2 |
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Hint |
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10. |
In a stem-and-leaf plot, ___. |
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A. |
From top to bottom, the stems are in increasing order. |
B. |
From top to bottom, the leaves are in increasing order. |
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C. |
From top to bottom, the stems are in decreasing order. |
D. |
From top to bottom, the leaves are in decreasing order. |
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Hint |
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11. |
Which number(s) describe(s) the average number in a set of data? |
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A. |
neither |
B. |
both mean and median |
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C. |
mean |
D. |
median |
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Hint |
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12. |
Which of the following data would best be described by mode? |
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A. |
Average price of cars made in 1999 |
B. |
Most common favorite number of the set of favorite numbers of people in the United States |
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C. |
Typical family income per year in Montana |
D. |
Average age of people who buy a summer pool pass |
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Hint |
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13. |
Two line graphs can look notably dissimilar using different _____ but the same data. |
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A. |
colors |
B. |
scales |
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C. |
axis names |
D. |
titles |
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Hint |
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14. |
To estimate 259.8 – 67 to the nearest whole number, which is the best way to round? |
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A. |
260 – 67 |
B. |
259 – 67 |
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C. |
259 – 70 |
D. |
260 – 70 |
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Hint |
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15. |
Evaluate j – k if j = 1.9 and k= 1.65. |
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A. |
2.5 |
B. |
0.35 |
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C. |
3.5 |
D. |
0.25 |
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Hint |
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16. |
The table shows the height of six different roller coasters at an amusement park. Find the mean height. |
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A. |
142 ft |
B. |
132 ft |
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C. |
153 ft |
D. |
170 ft |
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Hint |
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17. |
Which statements best describes how the outlier affects the mean of the data set shown? |
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A. |
The outlier causes the mean to be much less in value than the other values in the data set. |
B. |
The outlier does not affect the mean of the data. |
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C. |
The outlier causes the mean to be much greater in value than the other values in the data set. |
D. |
The outlier causes the mean to be slightly greater in value than the other values in the data set. |
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Hint |
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18. |
What is the range of the data set 54, 120, 76, 68, 110, 95, 49? |
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A. |
81 |
B. |
76 |
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C. |
71 |
D. |
91 |
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Hint |
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19. |
Which measure(s) would most accurately describe the data shown in the table? |
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A. |
mean and mode |
B. |
mode |
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C. |
mean |
D. |
median |
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Hint |
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20. |
Find 3.492 – 1.75. |
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A. |
2.342 |
B. |
3.317 |
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C. |
4.992 |
D. |
1.742 |
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Hint |
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