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3 rd Grade Place Value I. Number Sense. Third Grade. Count, read, and write whole numbers to 10,000. Number Sense. Third Grade. Identify the place value for each digit in numbers to 10,000. Objectives. Be able to read numbers to hundred thousand
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Number Sense Third Grade Count, read, and write whole numbers to 10,000.
Number Sense Third Grade Identify the place value for each digit in numbers to 10,000
Objectives • Be able to read numbers to hundred thousand • Be able to identify the place value of each digit in numbers up to one hundred thousand • Know how to write a number in word form
Vocabulary • 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.
Understanding Place Value 1 ten is 10 times 1 one 1 10
Understanding Place Value 1 hundred is 10 times 1 ten 100 10
Understanding Place Value 1 thousand is 10 times 1 hundred 1,000 100
Understanding Place Value 10 thousand is 10 times 1 thousand 1,000 10,000
Understanding Place Value 100 thousand is 10 times _____? 10,000 100,000 10,000
Numbers are divided into periods Thousands Ones 690,492 Periods are separated by commas.
Remember that each period hasthree place values within the period Thousands Ones Hundreds Tens Ones Hundreds Tens Ones 6 9 0, 4 9 2
Thousands Ones Hundreds Tens Ones Hundreds Tens Ones What digit is in the hundred’s place? 6 9 0, 4 1 2 4
Thousands Ones Hundreds Tens Ones Hundreds Tens Ones What digit is in the ten thousand’s place? 6 9 0, 4 1 2 9
Thousands Ones Hundreds Tens Ones Hundreds Tens Ones What digit is in the thousand’s place? 6 9 0, 4 1 2 0
Thousands Ones Hundreds Tens Ones Hundreds Tens Ones What digit is in the hundred thousand’s place? 6 9 0, 4 1 2 6
What digit is in the hundred’s place? 7 4 3, 9 8 2 9
What digit is in the ten thousand’s place? 7 4 3, 9 8 2 4
What digit is in the thousand’s place? 7 4 3, 9 8 2 3
What digit is in the hundred thousand’s place? 7 4 3, 9 8 2 7
What is the value of the underlined digit? 7 4 3, 9 8 2 Ten thousand
What is the value of the underlined digit? 7 4 3, 9 8 2 Thousand
What is the value of the underlined digit? 7 4 3, 9 8 2 Hundred thousand
What is the value of the underlined digit? 7 4 3, 9 8 2 Hundred
What is the value of the underlined digit? 7 4 3, 9 8 2 Eighty
What is the value of the underlined digit? 7 4 3, 9 8 2 Two
How to read large numbers 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. Thousand Ones 690,492
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.
Read this number 133,472 One hundred thirty-three thousand, four hundred seventy-two
Read this number 643,582 Six hundred forty-three thousand, five hundred eighty-two
Read this number 54,931 Fifty-four thousand, nine hundred thirty-one
Read this number 530,801 Five hundred thirty thousand, eight hundred one
Read this number 4,268 Four thousand, two hundred sixty-eight
Read this number 305,108 Three hundred five thousand, one hundred eight
Credits • Illustrations from: • Clipart from ClickArt 125,000 Deluxe Image Pak, T/Maker Co., Broderbund Software, Inc.