MYSLIDENOTES SAMPLE BASIC COLLEGE MATHEMATICS NINTH EDITION Margaret L. Lial American River College Stanley A. Salzman American River College Diana L. Hestwood Minneapolis Community and Technical College Boston Columbus Indianapolis New York San Francisco Upper Saddle River Amsterdam Cape Town Dubai London Madrid Milan Munich Paris Montreal Toronto Delhi Mexico City Sao Paulo Sydney Hong Kong Seoul Singapore Taipei Tokyo
Chapter 1 WHOLE NUMBERS 1.1 Reading and Writing Whole Numbers Please review the Learning Objectives for this Section 1.1 on Slide 2 Key Terms Use the vocabulary terms listed below to complete each statement in exercises 1 3. whole numbers place value table 1. A display of facts in rows and columns is called a. 2. The _ are 0, 1, 2, 3, 4, and so on. 3. The of each digit in a whole number is determined by its position in the whole number. OBJECTIVE 1: IDENTIFY WHOLE NUMBERS. OBJECTIVE 2: GIVE THE PLACE VALUE OF A DIGIT. Guided Examples Parallel Example 1, Slide 3 Identify the place value of 7 in each whole number. a. 27 b. 78 c. 759 7 ones 7 tens 7 hundreds Parallel Example 2, Slide 4 Identify the place value of each digit in the number 246,981. 2 4 6, 9 8 1 1 one 8 tens 9 hundreds 6 thousands 4 ten-thousands 2 hundred-thousands Now Try 1 Identify the place value of 9 in each whole number. a. 295 The value of 9 is in the place. b. 972 The value of 9 is in the place. c. 209 The value of 9 is in the place. Now Try 2 Identify the place value of each digit in the number 14,832. 1 4 8 3 2 Copyright 2014 Pearson Education, Inc. 1
Please review the procedure for Using Commas on Slide 5 Parallel Example 3, Slide 6 7, 123, 654, 893 7 billions 123 millions 654 thousands 893 ones Now Try 3 4. Write the digits in each period of 45,328,241,526. 45 328 241 526 Practice Exercises Identify the digit in the hundreds place. 1. 9841 1. Write the digit for the given place value in the whole number. 2. 25,016 ten-thousands hundreds 2. Write the digits for the given period (group) in each whole number 3. 75,229,301 millions 3. thousands ones OBJECTIVE 3: WRITE A NUMBER IN WORDS OR DIGITS Please review the Procedure for Writing Numbers in Words on Slide 7 Guided Examples Parallel Example 4, Slides 8-9 Write each number in words. a. 63 This number means 6 tens and 3 ones, or 60 ones and 3 ones. Write the number as sixty-three Now Try 4 Write each number in words. a. 86 This number means 8 and 6, or 80 and 6. We write the number as 2 Copyright 2014 Pearson Education, Inc.
b. 81 eighty-one c. 946 nine hundred forty-six d. 703 seven hundred three b. 57 c. 914 d. 208 Parallel Example 5, Slides 10-11 Write each number in words. a. 623,829 six hundred twenty - three thousand, eight number in period period Name of hundred twenty - nine Number in period (not necessary to write"ones") b. 9217 nine thousand, two hundred seventeen period Name of c. 222, 458, 082 two hundred twenty-two million, four hundred fifty-eight thousand, eighty two d. 19,000,019,000 nineteen billion, nineteen thousand Parallel Example 6, Slide 12 Rewrite each number using digits. a. five thousand, thirty-one 5031 b. three hundred forty-two thousand, eight hundred thirteen 342,813 c. four million, three hundred forty-nine 4,000,349 (zeros indicate there are no thousands.) Now Try 5 Write each number in words. a. 348,629 b. 2850 c. 800,018,006 d. 14,021,060,000 Now Try 6 Rewrite each number using digits. a. seven thousand, thirty-four b. five hundred sixtythree thousand, nine hundred sixteen c. two million, nine hundred seventy-four Copyright 2014 Pearson Education, Inc. 3
Practice Exercises Write each number in words. 4. 834,768 4. Write each number using digits. 5. Six hundred eighty-five million, two hundred fiftynine Write the numbers from each sentence using digits. 6. Every year, nine hundred seventy-two thousand, four hundred thirty people visit a certain historical area. 5. 6. OBJECTIVE 4: READ A TABLE Guided Examples Parallel Example 7, Slide 13 Use the table to find the estimated average yearly salary in 2010, and write the number in words. Now Try 7 Use the table to find each number, and write the number in words. Year 1990 2010 2020* US Population Household income Avg. Yearly Salary 261 million 309 million 338 million $42,936 $46,326 $55,735 $21,129 $28,834 $32,080 Twenty-eight thousand, eight hundred thirty-four dollars Weight of Exerciser 123 lbs 130 lbs 143 lbs Calories burned in 30 minutes Cycling 168 177 195 Running 324 342 375 Jumping Rope 273 288 315 Walking 162 171 189 a. The number of calories burned by a 130-pound adult in 30 minutes of running b. The number of calories burned by a 143-pound adult in 30 minutes of cycling Practice Exercises Use the table from Now Try 7 above for exercises 7-8. Write the number in words. 7. The number of calories burned by a 130-pound adult in 30 minutes of cycling. 7. 8. The number of calories burned by a 143-pound adult in 30 minutes of jumping rope. 8. 4 Copyright 2014 Pearson Education, Inc.