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Place Value I Place Value I

Vocabulary n n n Digits – numbers 0, 1, 2, 3, 4, 5, 6, Vocabulary n n n Digits – numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 Place value – tells you how much each digit stands for Periods – A group of 3 places used for the digits in large numbers. Periods are usually separated by commas. Copyright © 2000 by Monica Yuskaitis

Understanding Place Value 1 ten is 10 times 1 one 10 1 Copyright © Understanding Place Value 1 ten is 10 times 1 one 10 1 Copyright © 2000 by Monica Yuskaitis

Understanding Place Value 1 hundred is 10 times 1 ten 100 10 Copyright © Understanding Place Value 1 hundred is 10 times 1 ten 100 10 Copyright © 2000 by Monica Yuskaitis

Understanding Place Value 1 thousand is 10 times 1 hundred 1, 000 Copyright © Understanding Place Value 1 thousand is 10 times 1 hundred 1, 000 Copyright © 2000 by Monica Yuskaitis 100

Understanding Place Value 10 thousand is 10 times 1 thousand 10, 000 1, 000 Understanding Place Value 10 thousand is 10 times 1 thousand 10, 000 1, 000 Copyright © 2000 by Monica Yuskaitis

Understanding Place Value 100 thousand is 10 times _____? 10, 000 100, 000 Copyright Understanding Place Value 100 thousand is 10 times _____? 10, 000 100, 000 Copyright © 2000 by Monica Yuskaitis 10, 000

Ones Thousands Numbers are divided into periods 690, 492 Periods are separated by commas. Ones Thousands Numbers are divided into periods 690, 492 Periods are separated by commas. Copyright © 2000 by Monica Yuskaitis

Remember that each period has three place values within the period Ones Tens Ones Remember that each period has three place values within the period Ones Tens Ones Hundreds Ones Tens Hundreds Thousands 6 9 0, 4 9 2 Copyright © 2000 by Monica Yuskaitis

What digit is in the hundred’s place? Ones Tens Ones Hundreds Ones Tens Hundreds What digit is in the hundred’s place? Ones Tens Ones Hundreds Ones Tens Hundreds Thousands 6 9 0, 4 1 2 4 Copyright © 2000 by Monica Yuskaitis

What digit is in the ten thousand’s place? Ones Tens Ones Hundreds Ones Tens What digit is in the ten thousand’s place? Ones Tens Ones Hundreds Ones Tens Hundreds Thousands 6 9 0, 4 1 2 9 Copyright © 2000 by Monica Yuskaitis

What digit is in the thousand’s place? Ones Tens Ones Hundreds Ones Tens Hundreds What digit is in the thousand’s place? Ones Tens Ones Hundreds Ones Tens Hundreds Thousands 6 9 0, 4 1 2 0 Copyright © 2000 by Monica Yuskaitis

What digit is in the hundred thousand’s place? Ones Tens Ones Hundreds Ones Tens What digit is in the hundred thousand’s place? Ones Tens Ones Hundreds Ones Tens Hundreds Thousands 6 9 0, 4 1 2 6 Copyright © 2000 by Monica Yuskaitis

What digit is in the hundred’s place? 7 4 3, 9 8 2 9 What digit is in the hundred’s place? 7 4 3, 9 8 2 9 Copyright © 2000 by Monica Yuskaitis

What digit is in the ten thousand’s place? 7 4 3, 9 8 2 What digit is in the ten thousand’s place? 7 4 3, 9 8 2 4 Copyright © 2000 by Monica Yuskaitis

What digit is in the thousand’s place? 7 4 3, 9 8 2 3 What digit is in the thousand’s place? 7 4 3, 9 8 2 3 Copyright © 2000 by Monica Yuskaitis

What digit is in the hundred thousand’s place? 7 4 3, 9 8 2 What digit is in the hundred thousand’s place? 7 4 3, 9 8 2 7 Copyright © 2000 by Monica Yuskaitis

What is the value of the underlined digit? 7 4 3, 9 8 2 What is the value of the underlined digit? 7 4 3, 9 8 2 Ten thousand Copyright © 2000 by Monica Yuskaitis

What is the value of the underlined digit? 7 4 3, 9 8 2 What is the value of the underlined digit? 7 4 3, 9 8 2 Thousand Copyright © 2000 by Monica Yuskaitis

What is the value of the underlined digit? 7 4 3, 9 8 2 What is the value of the underlined digit? 7 4 3, 9 8 2 Hundred thousand Copyright © 2000 by Monica Yuskaitis

What is the value of the underlined digit? 7 4 3, 9 8 2 What is the value of the underlined digit? 7 4 3, 9 8 2 Hundred Copyright © 2000 by Monica Yuskaitis

What is the value of the underlined digit? 7 4 3, 9 8 2 What is the value of the underlined digit? 7 4 3, 9 8 2 Ten Copyright © 2000 by Monica Yuskaitis

What is the value of the underlined digit? 7 4 3, 9 8 2 What is the value of the underlined digit? 7 4 3, 9 8 2 One Copyright © 2000 by Monica Yuskaitis

How to read large numbers Ones Thousand Read the numbers before the comma as How to read large numbers Ones Thousand Read the numbers before the comma as if you were reading in the one’s column. Say the period you are in when you get to the comma except for the one’s period. 690, 492 Copyright © 2000 by Monica Yuskaitis

Tip Do not use “and” when reading whole numbers. The word “and” will be Tip Do not use “and” when reading whole numbers. The word “and” will be used when you are reading numbers with decimals. 690, 492 Six hundred and ninety-thousand, and four hundred and ninety-two. Copyright © 2000 by Monica Yuskaitis

Read this number 133, 472 One hundred thirty-three thousand, four hundred seventy-two Copyright © Read this number 133, 472 One hundred thirty-three thousand, four hundred seventy-two Copyright © 2000 by Monica Yuskaitis

Read this number 643, 582 Six hundred forty-three thousand, five hundred eighty-two Copyright © Read this number 643, 582 Six hundred forty-three thousand, five hundred eighty-two Copyright © 2000 by Monica Yuskaitis

Read this number 54, 931 Fifty-four thousand, nine hundred thirty-one Copyright © 2000 by Read this number 54, 931 Fifty-four thousand, nine hundred thirty-one Copyright © 2000 by Monica Yuskaitis

Read this number 530, 801 Five hundred thirty thousand, eight hundred one Copyright © Read this number 530, 801 Five hundred thirty thousand, eight hundred one Copyright © 2000 by Monica Yuskaitis

Read this number 4, 268 Four thousand, two hundred sixty-eight Copyright © 2000 by Read this number 4, 268 Four thousand, two hundred sixty-eight Copyright © 2000 by Monica Yuskaitis

Read this number 305, 108 Three hundred five thousand, one hundred eight Copyright © Read this number 305, 108 Three hundred five thousand, one hundred eight Copyright © 2000 by Monica Yuskaitis