Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Chapter 1 The Whole Numbers

Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. 1.2 Place Value and Names for Numbers

Martin-Gay, Developmental Mathematics, 2e 33 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Place Value The digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 can be used to write numbers. The whole numbers are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, … The position of each digit in a number determines its place value.

Martin-Gay, Developmental Mathematics, 2e 44 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Examples Find the place value of the digit 4 in each whole number. a. 48,761ten-thousands b. 249tens c. 524,007,656millions

Martin-Gay, Developmental Mathematics, 2e 55 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Whole Numbers in Words and Standard Form The whole number 1,083,664,500 is written in standard form. Each group of three digits is called a period.

Martin-Gay, Developmental Mathematics, 2e 66 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Examples Write each number in words. a. 36thirty-six b. 487four hundred eighty-seven c. 32,984thirty-two thousand, nine hundred eighty-four

Martin-Gay, Developmental Mathematics, 2e 77 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Whole Numbers in Words and Standard Form

Martin-Gay, Developmental Mathematics, 2e 88 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Examples Write each number in standard form. a. seventy-two72 b. nine hundred six906 c. eight thousand, six hundred fifty-four 8,654

Martin-Gay, Developmental Mathematics, 2e 99 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Writing a Whole Number in Expanded Form The expanded form of a number shows each digit of the number with its place value.

Martin-Gay, Developmental Mathematics, 2e 10 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Example Write 804,557 in expanded form. 800,

Martin-Gay, Developmental Mathematics, 2e 11 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Reading Tables Tables are often used to organize and display facts that involve numbers.

Martin-Gay, Developmental Mathematics, 2e 12 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Example

Martin-Gay, Developmental Mathematics, 2e 13 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Example a. How many total Nobel Prize winners are from France? 58 b. Which countries have more Nobel Prize winners than Germany? Germany has 82, The United Kingdom has 110 and the United States has 320.