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1. |
Identify the solution of 84 ÷ r = 12. |
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A. |
72 |
B. |
21 |
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C. |
6 |
D. |
7 |
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Hint |
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2. |
The Pacific giant kelp plant is one of the fastest-growing plants in the world. The table below shows the growth of one plant. Predict what the height of the plant will be in week 10. |
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A. |
14 ft |
B. |
12 ft |
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C. |
20 ft |
D. |
10 ft |
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Hint |
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3. |
A cave in the Ukraine is 131.73 miles long. The Mammoth Cave system in Kentucky is 2.695 times the length of the Ukraine cave. Approximately how long is the Mammoth Cave system? |
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A. |
355 mi |
B. |
35,501 mi |
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C. |
3,550 mi |
D. |
36 mi |
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Hint |
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4. |
Find the prime factorization of 126. |
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A. |
2 × 3 × 3 |
B. |
2 × 2 × 3 × 3 × 7 |
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C. |
2 × 3 × 7 |
D. |
2 × 3 × 3 × 7 |
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Hint |
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5. |
Write  in simplest form. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Choose the multiples of 20. |
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A. |
1, 2, 4, 5, 10, 20, … |
B. |
2, 2, 5 |
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C. |
0, 20, 40, 60, 80, … |
D. |
10, 20, 30, 40, … |
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Hint |
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7. |
Estimate  |
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A. |
3 |
B. |
2 |
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C. |
 |
D. |
 |
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Hint |
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8. |
In Mrs. Freeman's class,  of the students are girls. What fraction of the class is boys? |
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A. |
 |
B. |
|
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C. |
 |
D. |
 |
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Hint |
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9. |
Find the sum of  and  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
What is the area of the top of a cubic ice cube with sides of length 2 cm? |
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A. |
2 cm2 |
B. |
8 cm2 |
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C. |
16 cm2 |
D. |
4 cm2 |
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Hint |
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11. |
Find 4 × 0.0034. |
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A. |
1.36 |
B. |
0.0126 |
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C. |
0.1216 |
D. |
0.0136 |
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Hint |
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12. |
Find 78 + 55. |
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A. |
143 |
B. |
123 |
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C. |
133 |
D. |
23 |
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Hint |
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13. |
Find 156 ÷ 12. |
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A. |
13 |
B. |
144 |
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C. |
1,872 |
D. |
168 |
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Hint |
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14. |
Find 12 + 48 ÷ 6. |
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A. |
10 |
B. |
66 |
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C. |
20 |
D. |
54 |
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Hint |
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15. |
Estimate 3.6 + 2.3. |
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A. |
about 8 |
B. |
about 1 |
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C. |
about 5 |
D. |
about 6 |
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Hint |
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16. |
Find 232 ÷ 4. |
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A. |
236 |
B. |
580 |
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C. |
58 |
D. |
228 |
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Hint |
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17. |
Graph −16 on a number line. |
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A. |
 |
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B. |
 |
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C. |
 |
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D. |
 |
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Hint |
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18. |
Round 15 to the nearest ten. |
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A. |
16 |
B. |
20 |
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C. |
15 |
D. |
10 |
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Hint |
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19. |
Round 216 to the nearest ten. |
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A. |
200 |
B. |
215 |
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C. |
210 |
D. |
220 |
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Hint |
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20. |
Choose the least number. |
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A. |
0.152 |
B. |
2.51 |
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C. |
0.523 |
D. |
0.241 |
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Hint |
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