Fundamentals of Mathematics, 2008a

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502 CHAPTER 8. TECHNIQUES OF ESTIMATION 8.7.1.4 Estimation by Rounding Fractions (Section 8.5) For problems 111-125, estimate each sum using the method <strong>of</strong> rounding fractions. After you have made an estimate, nd the exact value. Compare the exact and estimated values. Results may vary. Exercise 8.7.111 (Solution on p. 511.) 3 8 + 5 6 Exercise 8.7.112 7 16 + 1 24 Exercise 8.7.113 (Solution on p. 511.) 7 15 + 13 30 Exercise 8.7.114 14 15 + 19 20 Exercise 8.7.115 (Solution on p. 511.) 13 25 + 7 30 Exercise 8.7.116 11 12 + 7 8 Exercise 8.7.117 (Solution on p. 511.) 9 32 + 15 16 Exercise 8.7.118 5 8 + 1 32 Exercise 8.7.119 (Solution on p. 511.) 2 3 4 + 6 3 5 Exercise 8.7.120 4 5 9 + 8 1 27 Exercise 8.7.121 (Solution on p. 511.) 11 5 18 + 7 22 45 Exercise 8.7.122 14 19 36 + 2 7 18 Exercise 8.7.123 (Solution on p. 511.) 6 1 20 + 2 1 10 + 8 13 60 Exercise 8.7.124 5 7 8 + 1 1 4 + 12 5 12 Exercise 8.7.125 (Solution on p. 511.) 10 1 2 + 6 15 16 + 8 19 80 8.8 Prociency Exam 8 8.8.1 Prociency Exam For problems 1 - 16, estimate each value. After you have made an estimate, nd the exact value. Results may vary. Exercise 8.8.1 (Solution on p. 511.) (Section 8.2) 3,716 + 6,789 Exercise 8.8.2 (Solution on p. 511.) (Section 8.2) 8,821 + 9,217 8 This content is available online at . Available for free at Connexions
503 Exercise 8.8.3 (Solution on p. 511.) (Section 8.2) 7, 316 − 2, 305 Exercise 8.8.4 (Solution on p. 511.) (Section 8.2) 110, 812 − 83, 406 Exercise 8.8.5 (Solution on p. 511.) (Section 8.2) 82 · 38 Exercise 8.8.6 (Solution on p. 511.) (Section 8.2) 51 · 92 Exercise 8.8.7 (Solution on p. 511.) (Section 8.2) 48 · 6,012 Exercise 8.8.8 (Solution on p. 511.) (Section 8.2) 238 ÷ 17 Exercise 8.8.9 (Solution on p. 511.) (Section 8.2) 2,660 ÷ 28 Exercise 8.8.10 (Solution on p. 511.) (Section 8.2) 43.06 + 37.94 Exercise 8.8.11 (Solution on p. 511.) (Section 8.2) 307.006 + 198.0005 Exercise 8.8.12 (Solution on p. 512.) (Section 8.2) (47.2) (92.8) Exercise 8.8.13 (Solution on p. 512.) (Section 8.3) 58 + 91 + 61 + 88 Exercise 8.8.14 (Solution on p. 512.) (Section 8.3) 43 + 39 + 89 + 92 Exercise 8.8.15 (Solution on p. 512.) (Section 8.3) 81 + 78 + 27 + 79 Exercise 8.8.16 (Solution on p. 512.) (Section 8.3) 804 + 612 + 801 + 795 + 606 For problems 17-21, use the distributive property to obtain the exact result. Exercise 8.8.17 (Solution on p. 512.) (Section 8.4) 25 · 14 Exercise 8.8.18 (Solution on p. 512.) (Section 8.4) 15 · 83 Exercise 8.8.19 (Solution on p. 512.) (Section 8.4) 65 · 98 Exercise 8.8.20 (Solution on p. 512.) (Section 8.4) 80 · 107 Exercise 8.8.21 (Solution on p. 512.) (Section 8.4) 400 · 215 For problems 22-25, estimate each value. After you have made an estimate, nd the exact value. Results may vary. Exercise 8.8.22 (Solution on p. 512.) (Section 8.5) 15 16 + 5 8 Exercise 8.8.23 (Solution on p. 512.) (Section 8.5 ) 1 25 + 11 20 + 17 30 Available for free at Connexions
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Fundamentals of Mathematics By: Den
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iv 4.10 Prociency Exam . . . . . .
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2 • Section Exercises • Exercis
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4 Addition and Subtraction of Fract
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8 minds to our suggestions and conc
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10 CHAPTER 1. ADDITION AND SUBTRACT
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92 CHAPTER 2. MULTIPLICATION AND DI
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100 CHAPTER 2. MULTIPLICATION AND D
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154 CHAPTER 3. 3.2 Exponents and Ro
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156 3.2.4 Roots CHAPTER 3. EXPONENT
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158 CHAPTER 3. EXPONENTS, ROOTS, AN
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164 3.3.3.1 Sample Set B CHAPTER 3.
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176 3.4.6.1 Sample Set C CHAPTER 3.
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186 3.6.3.2 Practice Set B CHAPTER
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188 3.6.5.2 Practice Set C CHAPTER
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200 CHAPTER 3. Solutions to Exercis
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214 CHAPTER 4. INTRODUCTION TO FRAC
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220 4.2.6 Exercises CHAPTER 4. INTR
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226 Thus, CHAPTER 4. INTRODUCTION T
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236 4.4.3.1.1 Sample Set B CHAPTER
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238 CHAPTER 4. 4.4.4 Raising Fracti
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250 √ 9 100 = 3 10 Example 4.45 4
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262 CHAPTER 4. 4.7.2 Multiplication
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268 CHAPTER 4. 4.8 Summary of Key C
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278 CHAPTER 4. Solutions to Exercis
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296 CHAPTER 5. ADDITION AND SUBTRAC
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304 5.3.4 Exercises CHAPTER 5. ADDI
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340 CHAPTER 6. DECIMALS • underst
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342 CHAPTER 6. DECIMALS 4. 0.7 The
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344 CHAPTER 6. DECIMALS 0.17 6.2.5.
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346 CHAPTER 6. DECIMALS 6.2.6.1 Exe
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348 CHAPTER 6. DECIMALS 4 + .006 1
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352 CHAPTER 6. DECIMALS 6.4.3 Exerc
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354 CHAPTER 6. DECIMALS Exercise 6.
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356 CHAPTER 6. DECIMALS 841.0056 47
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358 CHAPTER 6. DECIMALS The sum is
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362 CHAPTER 6. DECIMALS Thus, 6.5
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364 CHAPTER 6. DECIMALS Table 6.15
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366 CHAPTER 6. DECIMALS 6.6.6.1 Sam
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372 CHAPTER 6. DECIMALS 6.7.3 A Met
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374 CHAPTER 6. DECIMALS Method of D
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378 CHAPTER 6. DECIMALS 816.241 10)
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382 CHAPTER 6. DECIMALS Table 6.29
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384 CHAPTER 6. DECIMALS Repeating D
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386 CHAPTER 6. DECIMALS .1818 11)2.
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390 CHAPTER 6. DECIMALS .125 8)1.00
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396 CHAPTER 6. DECIMALS 6.10.3 Exer
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398 CHAPTER 6. DECIMALS 6.11 Summar
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400 CHAPTER 6. DECIMALS 6.12.1.2 Co
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404 CHAPTER 6. DECIMALS Solutions t
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406 CHAPTER 6. DECIMALS Solution to
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420 CHAPTER 7. RATIOS AND RATES 7.2
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422 CHAPTER 7. RATIOS AND RATES are
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424 CHAPTER 7. RATIOS AND RATES Exe
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434 CHAPTER 7. RATIOS AND RATES Exa
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446 CHAPTER 7. RATIOS AND RATES Exa
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450 CHAPTER 7. RATIOS AND RATES Wha
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552 CHAPTER 9. MEASUREMENT AND GEOM
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578 CHAPTER 10. SIGNED NUMBERS 10.2
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580 CHAPTER 10. SIGNED NUMBERS Some
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632 CHAPTER 11. ALGEBRAIC EXPRESSIO
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694 INDEX Index of Keywords and Ter
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696 INDEX Ÿ 3.4(172), Ÿ 3.5(180),
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698 INDEX reading, Ÿ 1.3(15) readi
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700 ATTRIBUTIONS Module: "Addition
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702 ATTRIBUTIONS Module: "Multiplic
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704 ATTRIBUTIONS Module: "Introduct
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706 ATTRIBUTIONS Module: "Addition
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708 ATTRIBUTIONS Module: "Decimals:
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710 ATTRIBUTIONS Module: "Ratios an
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712 ATTRIBUTIONS Module: "Technique
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714 ATTRIBUTIONS Module: "Signed Nu
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716 ATTRIBUTIONS Module: "Algebraic
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Fundamentals of Mathematics Fundame
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