Transcript 7 4 3. 9 8 2 One

Place Value I
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.

Copyright © 2000 by Monica Yuskaitis
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 © 2000 by Monica Yuskaitis
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
Copyright © 2000 by Monica Yuskaitis
Understanding Place Value
100 thousand is 10 times _____?
10.000
100.000
10.000
Copyright © 2000 by Monica Yuskaitis
Ones
Thousands
Numbers are divided into periods
690.492
Copyright © 2000 by Monica Yuskaitis
Remember that each period has
three place values within the period
Thousands
Ones
6 9 0. 4 9 2
Copyright © 2000 by Monica Yuskaitis
What digit is in the hundred’s place?
Thousands
Ones
6 9 0. 4 1 2
4
Copyright © 2000 by Monica Yuskaitis
What digit is in the ten thousand’s
place?
Thousands
Ones
6 9 0. 4 1 2
9
Copyright © 2000 by Monica Yuskaitis
What digit is in the thousand’s
place?
Thousands
Ones
6 9 0 .4 1 2
0
Copyright © 2000 by Monica Yuskaitis
What digit is in the hundred
thousand’s place?
Thousands
Ones
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
Copyright © 2000 by Monica Yuskaitis
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
Copyright © 2000 by Monica Yuskaitis
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
Ten thousand
Copyright © 2000 by Monica Yuskaitis
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
Hundred thousand
Copyright © 2000 by Monica Yuskaitis
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
Ten
Copyright © 2000 by Monica Yuskaitis
What is the value of the underlined
digit?
7 4 3. 9 8 2
One
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
Copyright © 2000 by Monica Yuskaitis
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 Monica Yuskaitis
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 Monica Yuskaitis
Read this number
305.108
Three hundred five thousand,
one hundred eight
Copyright © 2000 by Monica Yuskaitis