Download Math 7 Ch Chapter Review p92

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Chapter Review
Vocabulary
decimal, p. 52
front-end estimation,
p. 59
leading digit, p. 63
compatible numbers,
p. 67
scientific notation, p. 74
metric system, p. 80
meter, p. 80
millimeter, p. 80
centimeter, p. 80
kilometer, p. 80
gram, p. 81
milligram, p. 81
kilogram, p. 81
liter, p. 82
milliliter, p. 82
kiloliter, p. 82
Vocabulary Review
1. Give three examples of decimals.
2. In your own words, explain how to use
front-end estimation to estimate a sum.
3. What is the leading digit of 0.0398?
4. What is the difference between scientific
notation and standard form?
5. Copy and complete: Milliliters, liters, and
kiloliters are metric units of _?_.
Review Questions
Copy and complete the statement using <, >, or . (Lesson 2.1)
6. 8.54 _?_ 8.55
7. 6.11 _?_ 6.01
8. 0.051 _?_ 0.006
9. Order 1.11, 1.01, 0.01, 1.1, 0.11, and 0.1 from least to greatest. (Lesson 2.1)
10. Explain how to round a decimal to the nearest hundredth. (Lesson 2.1)
Find the sum or difference. (Lesson 2.2)
11. 54.2 19.25
12. 1.295 24.6
13. 100 16.574
14. 35.002 9.9
Evaluate the expression when x 2.75 and y 16.2. (Lesson 2.2)
15. x 10.32
16. 5 y x
17. y 3.909
18. 22.02 y x
19. Racing Event You are in a 3-part racing event. Your friend’s total
time is 80.63 seconds. Your times for each part of the race are
22.34 seconds, 25.8 seconds, and 30.15 seconds. Is your total time
faster than your friend’s total time? Explain. (Lessons 2.1, 2.2)
Find the product. Then check that your answer is reasonable. (Lesson 2.3)
20. 54 18.4
92
Chapter 2
21. 2.5 34.6
Decimal Operations
22. 10.21 6.74
23. 0.002 9.009
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Review Questions
24. Baseball Cal Ripken, Jr., played major league baseball for 21 years.
He played about 142.9 games each year. How many games did he
play in his career? Round to the nearest whole number. (Lesson 2.3)
Find the quotient. Then check your answer. (Lesson 2.4)
25. 71 0.5
26. 7434.44 98.6
27. 1.4568 6.07
28. 0.7866 8.74
29. Find the quotient of 5 9.5. Round to the nearest hundredth. (Lesson 2.4)
30. Silver Platter Mike gives his parents an engraved silver platter for
their anniversary. The engraving says “Happy Anniversary” and costs
$13.60 total. How much does each letter cost to engrave? (Lesson 2.4)
Write the number in scientific notation. (Lesson 2.5)
31. 3,356,000
32. 5600
33. 780,000
34. 40,200
37. 1.25 102
38. 3.887 105
Write the number in standard form. (Lesson 2.5)
35. 4.06 108
36. 9.3 106
Find the value of the exponent. (Lesson 2.5)
?
39. 24,500 2.45 10 ?
40. 6.301 10 63,010,000,000
Tell whether the measurement is of length, mass, or capacity. (Lesson 2.6)
41. 6 kg
42. 1.5 L
43. 17 mL
44. 3600 m
Copy and complete using the appropriate metric unit. (Lesson 2.6)
45. The length of a coffee table is 1.2 _?_.
46. The mass of a football is 0.8 _?_.
47. The capacity of a kitchen sink is 20 _?_.
Copy and complete the statement. (Lesson 2.7)
48. 7 cm _?_ m
49. 802 L _?_ mL
50. 9.4 mg _?_ kg
Copy and complete the statement using <, >, or . (Lesson 2.7)
51. 240 cm _?_ 24 m
52. 9800 mg _?_ 9.798 g
53. 4.302 kL _?_ 4320 L
Order the measurements from least to greatest. (Lesson 2.7)
54. 37 L, 48,000 mL, 0.039 kL, 34 L, 42,000 mL, 0.035 kL
55. 0.8 km, 6 cm, 97 mm, 2.5 m, 256 cm, 0.08 m
Chapter Review
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