Transcript 3 rd Grade Place Value I

rd
3
Grade
Place Value I
By Monica Yuskaitis
California Standard Addressed
Number
Sense
Third
Grade
1.1 Count, read, and write
whole numbers to 10,000.
Copyright © 2000 by Monica Yuskaitis
California Standard Addressed
Number
Sense
Third
Grade
1.3 Identify the place value for
each digit in numbers to 10,000
Copyright © 2000 by Monica Yuskaitis
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

Copyright © 2000 by Monica Yuskaitis
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.

Copyright © 2000 by Monica Yuskaitis
Understanding Place Value
1 ten is 10 times 1
one
10
1
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Understanding Place Value
1 hundred
is
10 times 1
ten
100
10
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Understanding Place Value
1 thousand is 10 times 1 hundred
1,000
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100
Understanding Place Value
10 thousand is 10 times 1 thousand
10,000
1,000
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Understanding Place Value
100 thousand is 10 times _____?
10,000
100,000
10,000
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Ones
Thousands
Numbers are divided into periods
690,492
Periods are separated by commas.
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Remember that each period has
three place values within the period
Thousands
Ones
6 9 0, 4 9 2
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What digit is in the hundred’s place?
Thousands
Ones
6 9 0, 4 1 2
4
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What digit is in the ten thousand’s
place?
Thousands
Ones
6 9 0, 4 1 2
9
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What digit is in the thousand’s
place?
Thousands
Ones
6 9 0, 4 1 2
0
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What digit is in the hundred
thousand’s place?
Thousands
Ones
6 9 0, 4 1 2
6
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What digit is in the hundred’s place?
7 4 3, 9 8 2
9
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What digit is in the ten thousand’s
place?
7 4 3, 9 8 2
4
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What digit is in the thousand’s
place?
7 4 3, 9 8 2
3
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What digit is in the hundred
thousand’s place?
7 4 3, 9 8 2
7
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What is the value of the underlined
digit?
7 4 3, 9 8 2
Ten thousand
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What is the value of the underlined
digit?
7 4 3, 9 8 2
Thousand
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What is the value of the underlined
digit?
7 4 3, 9 8 2
Hundred thousand
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What is the value of the underlined
digit?
7 4 3, 9 8 2
Hundred
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What is the value of the underlined
digit?
7 4 3, 9 8 2
Ten
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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 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 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
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Read this number
643,582
Six hundred forty-three thousand,
five hundred eighty-two
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Read this number
54,931
Fifty-four thousand,
nine hundred thirty-one
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Read this number
530,801
Five hundred thirty thousand,
eight hundred one
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Read this number
4,268
Four thousand,
two hundred sixty-eight
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Read this number
305,108
Three hundred five thousand,
one hundred eight
Copyright © 2000 by Monica Yuskaitis
Credits
Illustrations from:
 Clipart
from ClickArt 125,000 Deluxe
Image Pak, T/Maker Co., Broderbund
Software, Inc.
Copyright © 2000 by Monica Yuskaitis