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1. |
Which operation should be done first when evaluating 15 - 5 ÷ 3 + 2 - 1? |
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A. |
multiplication |
B. |
subtraction |
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C. |
division |
D. |
addition |
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Hint |
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2. |
Evaluate  if a = 9, b = 6 and c = 3. |
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A. |
15 |
B. |
9 |
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C. |
5 |
D. |
11 |
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Hint |
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3. |
2,561 mm = ______m |
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A. |
25.61 |
B. |
2,561,000 |
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C. |
0.2561 |
D. |
2.561 |
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Hint |
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4. |
Find the mode of {325, 100, 115, 621, 325, 325, 100}. |
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A. |
325 |
B. |
273 |
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C. |
115 |
D. |
100 |
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Hint |
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5. |
Find the next term in the sequence
3, 9, 15, 21, … |
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A. |
25 |
B. |
27 |
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C. |
36 |
D. |
63 |
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Hint |
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6. |
Mrs. Harker is one of 20 teachers at Springfield Middle School. She has 21 students in her class. About how many students probably attend Springfield Middle School? |
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A. |
200 |
B. |
400 |
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C. |
220 |
D. |
41 |
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Hint |
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7. |
Luis Gonzales plays baseball for the Arizona Diamondbacks. After 20 games one season, he had 11 homeruns. Predict how many homeruns he will have after 100 games. |
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A. |
220 |
B. |
100 |
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C. |
55 |
D. |
22 |
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Hint |
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8. |
The speed of light in a vacuum is exactly 299,792,458 meters per second. Write this number in scientific notation with the factor rounded to the hundredths place. |
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A. |
2.99 × 1010 |
B. |
3.00 × 108 |
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C. |
3.00 × 109 |
D. |
2.99 × 109 |
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Hint |
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9. |
Which symbol makes the following statement true?
568 ______ 5.1 × 102 |
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A. |
< |
B. |
> |
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C. |
= |
D. |
 |
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Hint |
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10. |
Find the mode of {2, 2, 3, 9, 7, 9, 3, 7, 3}. |
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A. |
2 |
B. |
3 |
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C. |
7 |
D. |
5 |
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Hint |
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11. |
The median is the __________ of a set of numbers. |
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A. |
highest number |
B. |
most frequent number |
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C. |
middle number |
D. |
arithmetic average |
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Hint |
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12. |
Find the next term in the sequence
81, 27, 9, 3, … |
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A. |
6 |
B. |
9 |
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C. |
3 |
D. |
1 |
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Hint |
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13. |
Evaluate 37. |
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A. |
2,187 |
B. |
21 |
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C. |
343 |
D. |
5,034 |
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Hint |
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14. |
Express 64 in exponential form as a power of 4. |
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A. |
45 |
B. |
43 |
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C. |
44 |
D. |
26 |
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Hint |
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15. |
The table shows how much time Eva spent in a music chat room on the Internet during the week. Which expression cannot be used to find the total number of hours she spent in the chat room? |
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A. |
3(1.5) + 2(1) + 2 |
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B. |
1.5 + 1.5 + 1.5 + 1 + 1 + 2 |
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C. |
3 × 1.5 + 2 × 1 + 2 |
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D. |
5(1.5 + 1) + 2 |
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Hint |
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16. |
A steak dinner including filet mignon, a baked potato, and green beans costs $20. A slice of apple pie can be added for $6 more. How much would it cost a family of 5 to each have a steak dinner and apple pie? |
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A. |
$106 |
B. |
$50 |
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C. |
$26 |
D. |
$130 |
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Hint |
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17. |
The Ride Away Bike Shop has 27 mountain bikes and 34 road bikes. Find the expression that represents the number of tires in the Ride Away Bike Shop. |
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A. |
2(27) × 2(34) |
B. |
34 + 27 |
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C. |
2(27 + 34) |
D. |
27 × 27 + 34 × 34 |
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Hint |
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18. |
Choose the sequence that is geometric. |
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A. |
1.2, 1.8, 2.4, 3.0, … |
B. |
4, 0.8, 0.16, 0.032, … |
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C. |
1, 2, 6, 24, … |
D. |
8, 7, 6, 5, … |
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Hint |
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19. |
The Mojave Desert in southern California is 15,000 square miles. The Sahara Desert in northern Africa is about 233 times larger than the Mojave Desert. How big is the Sahara Desert? |
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A. |
3.5 × 106 sq mi |
B. |
3.5 × 103 sq mi |
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C. |
3.5 × 104 sq mi |
D. |
3.5 × 105 sq mi |
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Hint |
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20. |
Both bar graphs show the amount it costs to heat a two-story house during the winter. Which graph is misleading? Explain. |
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A. |
Graph B; there is a break in the vertical scale, the cost of heating the house in January appears to be much greater than heating the house in November. |
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B. |
Graph A; the months are not ordered from greatest to least cost. |
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C. |
Graph B; the months are not ordered from least to greatest cost. |
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D. |
Graph A; there is no break in the vertical scale, the cost of heating the house in December and February are about the same. |
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Hint |
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