© 2007 M. Tallman. Digits – numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.
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Transcript of © 2007 M. Tallman. Digits – numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.
© 2007 M. Tallman
Millions
785,632,901
Thousands
Ones
Periods – A group of 3 places used for the digits in large numbers. Periods are usually separated by
commas.
© 2007 M. Tallman
Place- each period has three places
Millions Thousands
OnesH
un
dre
dTe
nO
nes
Hun
dre
dTe
nO
nes
Hun
dre
dTe
nU
nit
s,78 95 3 06 2 1,
© 2007 M. Tallman
Ten Thousand(One) Thousand
,
Hundred ThousandMillions Thousand
sOnes
Hun
dre
dTe
nO
nes
Hun
dre
dTe
nO
nes
Hun
dre
dTe
nU
nit
s78 95 3 06 2 1,
(One) MillionHundredTen MillionTens
© 2007 M. Tallman
(One) ThousandHundred MillionHundred Thousand(One) MillionTen
78 95 3 06 2 1,,
Millions Thousands
OnesH
un
dre
dTe
nO
nes
Hun
dre
dTe
nO
nes
Hun
dre
dTe
nU
nit
s
HundredTen Thousand
© 2007 M. Tallman
Millions Thousands
OnesH
un
dre
dTe
nO
nes
Hun
dre
dTe
nO
nes
Hun
dre
dTe
nU
nit
s
Value- the product of a digit multiplied by its place.
,78 95 3 06 2 1,
© 2007 M. Tallman
,
Millions Thousands
OnesH
un
dre
dTe
nO
nes
Hun
dre
dTe
nO
nes
Hun
dre
dTe
nU
nit
s78 95 3 06 2 1,
30,000700,000,0000600,000
© 2007 M. Tallman
78 95 3 06 2 1,,
Millions Thousands
OnesH
un
dre
dTe
nO
nes
Hun
dre
dTe
nO
nes
Hun
dre
dTe
nU
nit
s
80,000,0002,00090030,000
© 2007 M. Tallman
5,000,000 (one) millions5,790,293
30tens338
90,000ten thousands97,857
70,000,000ten millions78,997,54
5
200,000hundred thousands277,052
300hundreds5,362
ValuePlaceNumber
What is the place and value of the underlined digit?
© 2007 M. Tallman
Expanded form – A way to write numbers that shows the place value of each digit.
100,000 + 20,000 + 3,000 + 700 + 9 = 123, 709
© 2007 M. Tallman
7
Hundr
ed T
hous
ands
63401Hun
dred
Millions
Ten
Millions
Millions
Ten
Thou
sand
s
Thou
sand
s
Hundr
eds
Tens
Ones
00,000 ,000 00 0 7+ + + +1 4 3 6
,
© 2007 M. Tallman
376 541,
300,000 6,000 500 40 1+ + + +
Line up the places and add for standard form.
70,000+
300,00070,0006,000
50040
1+
© 2007 M. Tallman
Word form – A number written in words. 123, 789
one hundred twenty-three thousand,seven hundred eighty-nine
© 2007 M. Tallman
712,986,503
seven hundred twelve million, nine hundred eighty-six thousand,
five hundred three
© 2007 M. Tallman
356,147,964
three hundred fifty-six million, one hundred forty-seven thousand,
nine hundred sixty-four
© 2007 M. Tallman
93,621,845
ninety-three million, six hundred twenty-one thousand,
eight hundred forty-five
© 2007 M. Tallman
Short word form – A number written with a combination of numbers and words.
256 million, 173 thousand,720
© 2007 M. Tallman
64 12 9 57 0 8,,
Million Thousand
OneH
un
dre
dTe
nO
nes
Hun
dre
dTe
nO
nes
Hun
dre
dTe
nU
nit
s
Read the numbers before the comma as if you were reading in the one’s period.Say the period you are in when you get to the comma except for the one’s period.