© 2007 M. Tallman. Digits – numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

© 2007 M. Tallman

© 2007 M. Tallman

Digits – numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

© 2007 M. Tallman

Standard form – a number written with one digit for each place value.

123,789

© 2007 M. Tallman

739,512

739,512

© 2007 M. Tallman

Period- each group of three digits in a place value chart.

© 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

Millions Thousands

Ones

MillionsOnesThousands

785,632,901

© 2007 M. Tallman

MillionsOnesThousands

785,632,901

© 2007 M. Tallman

Place value – tells you how much each digit stands for.

© 2007 M. Tallman

Place- each period has three places

Millions Thousands

OnesH

un

dre

dTe

nO

nes

Hun

dre

dTe

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nes

Hun

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s,78 95 3 06 2 1,

© 2007 M. Tallman

Ten Thousand(One) Thousand

,

Hundred ThousandMillions Thousand

sOnes

Hun

dre

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nO

nes

Hun

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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

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dre

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Hun

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s

HundredTen Thousand

© 2007 M. Tallman

47 58 0 76 3 4,,

HundredHundred MillionTen ThousandTens

© 2007 M. Tallman

Millions Thousands

OnesH

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Value- the product of a digit multiplied by its place.

,78 95 3 06 2 1,

© 2007 M. Tallman

,

Millions Thousands

OnesH

un

dre

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nes

Hun

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Hun

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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

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nes

Hun

dre

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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

104 367,

100,000 4,000 300 60 7+ + + +

What is the value of each digit?

© 2007 M. Tallman

376 541,

300,000 6,000 500 40 1+ + + +

What is the value of each digit?

70,000+

© 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

531,938

five hundred thirty-one thousand, nine hundred thirty-eight

© 2007 M. Tallman

Short word form – A number written with a combination of numbers and words.

256 million, 173 thousand,720

© 2007 M. Tallman

712,986,503712 million, 986 thousand, 503

© 2007 M. Tallman

356,147,964356 million, 147 thousand, 964

© 2007 M. Tallman

93,621,84593 million, 621 thousand, 845

© 2007 M. Tallman

531,938531 thousand, 938

© 2007 M. Tallman

64 12 9 57 0 8,,

Million Thousand

OneH

un

dre

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Hun

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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.

© 2007 M. Tallman

721,356

Do not use “and” when reading whole numbers. The word “and”

will be used when you are reading numbers with decimals.

Seven hundred and twenty-one thousand, and three hundred and fifty-six.