CHAPTER 3 PRACTICE TEST
Multiple Choice
Identify the choice that best completes the statement or answers the question.
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____
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1. Write the decimal 8.823 in expanded form.
a. 8 + 0.8 + 0.2 + 0.3
b. 8 + 8 + 2 + 3
c.
d.
8 + 0.8 + 0.02 + 0.003
8 + 0.08 + 0.002 + 0.0003
2. Write 2 + 0.3 + 0.01 + 0.002 in standard form.
a. 2.3102
b. 2.0312
c.
d.
2.312
20.312
3. Write the decimal 3.9 in words.
a. nine tenths
b. three and nine tenths
c.
d.
three and nine hundredths
nine hundredths
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4. (CRT) What is the value of the digit 4 in the number 38.145?
a. 4 hundredths
b. 4 ones
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5. Order the decimals 41.144, 4.1014, 413.929, 40.693 from greatest to least.
a. 41.144, 4.1014, 413.929, 40.693
c. 4.1014, 40.693, 41.144, 413.929
b. 413.929, 41.144, 40.693, 4.1014
d. 413.929, 40.693, 41.144, 4.1014
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6. (CRT) A speed skater was timed for four individual laps. The first lap was 40.7 seconds, the second lap 40.737 seconds, the next
lap 40.37 seconds and the last lap 40.387 seconds. What is the order of the times from the least amount of time to the greatest
amount of time?
a. 40.37 40.7
40.387 40.737
c. 40.387 40.37 40.7 40.737
b. 40.37 40.387 40.7
40.737
d. 40.387 40.37 40.737 40.7
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7. Estimate 5.209 + 2.667 by rounding to the nearest whole number.
a. 13
c. 5
b. 8
d. 7
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8. (CRT) What is 0.0977 rounded to the nearest thousandth?
a. 0.097
c.
b. 0.098
d.
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0.099
0.100
9. Four bags of potatoes weigh 3.35 pounds, 4.894 pounds, 5.6 pounds, and 4.95 pounds. What is the total weight of the bags?
a. 187.94 pounds
c. 1.8794 pounds
b. 18.794 pounds
d. 20.62 pounds
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10. If one book is 2.3 inches wide and another is 1.049 inches wide, how much wider is the first?
a. 0.335 inches
c. 12.51 inches
b. 3.349 inches
d. 1.251 inches
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11. Find the product
a. 6,806
b. 68,060
.
c.
d.
680,600
6,806,000
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12. Write the number 2,068 in scientific notation.
a.
b.
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____
____
d.
13. Write the number
a. 24,130
b. 241,300,000
2.413  106
2.068  103
2.068  101
in standard form.
14. Find the product.
4.51 3.4
a. 153.34
b. 1.5334
c.
d.
2,413,000
24,130,000
c.
d.
7.91
15.334
c.
d.
0.13
1.3
15. Find the quotient.
a.
b.
____
c.
0.9
13
16. The distance between the earth and the moon is approximately 385,000 kilometers. What is the distance from the earth to the
moon in meters written in scientific notation? (Hint: There are 1000 meters in a kilometer.)
a.
c.
meters
meters
b.
d.
meters
meters
Numeric Response
17. John’s birthday party budget is $124.00. He spent $43.50 for sandwiches, $26.25 for juice, and $17.25 for prizes. How much
money is left for other expenses?
Matching
Match each vocabulary term with its definition.
a. clustering
b. front-end estimation
c. rounding
d.
e.
scientific notation
ms. mora
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18. a method used to estimate a sum when all addends are close to the same value
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19. an estimating technique in which the front digits of the addends are added and then the sum is adjusted for a closer estimate
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20. a method of writing very large or very small numbers by using powers of ten
Short Answer
21. (CRT) Carmen bought the following lengths of ribben
Blue ribbon: 3:15 yards
Yellow ribbon: 4.72 yards
Green ribbon: 1.87 yards
Which is the Best ESTIMATE of the total number of yards of ribbon Carmen bought?
SHOW YOUR WORK!!
22. (CRT) During a fundraiser, the 6th graders at a middle school collected $78.53. A student found 3 dimes and 5 quarters on the
playground. These coins were added to the money collected in the fundraiser. What is the total amount of money the 6th graders
collected, including the coins that were found? SHOW YOUR WORK!!!
23. (CRT) A teacher is distributing string to students. She starts with a piece of string 30 meters (m) long. The first length of string
she gives to a student is 11.3 m long. The next student received string that is 5.6 m long. The third length given is 8.23 m long.
The remainder goes to the fourth student. What is the length of string given to the fourth student? SHOW YOUR WORK!!
24. Solve the following.
a.
A pickup truck’s gas tank can hold 19.2 gallons, and it can go 460.8 miles on a single tank of gas. How
many miles per gallon does it get? Show your work.
b.
Driving in the mountains is more difficult, and the same truck can go only 345.6 miles on a single tank of
gas. How many miles per gallon does it get in the mountains? Show your work.
Essay
25. If you were stacking 13 in. boxes in a 58 in. closet, would you round up or round down to determine how many can fit? How
many would fit?