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

34
© 2007 M. Tallman

Transcript of © 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

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739,512

739,512

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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

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

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s78 95 3 06 2 1,

(One) MillionHundredTen MillionTens

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(One) ThousandHundred MillionHundred Thousand(One) MillionTen

78 95 3 06 2 1,,

Millions Thousands

OnesH

un

dre

dTe

nO

nes

Hun

dre

dTe

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nes

Hun

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s

HundredTen Thousand

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47 58 0 76 3 4,,

HundredHundred MillionTen ThousandTens

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Millions Thousands

OnesH

un

dre

dTe

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nes

Hun

dre

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Hun

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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

dTe

nO

nes

Hun

dre

dTe

nO

nes

Hun

dre

dTe

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nit

s78 95 3 06 2 1,

30,000700,000,0000600,000

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78 95 3 06 2 1,,

Millions Thousands

OnesH

un

dre

dTe

nO

nes

Hun

dre

dTe

nO

nes

Hun

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s

80,000,0002,00090030,000

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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?

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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

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104 367,

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

What is the value of each digit?

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376 541,

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

What is the value of each digit?

70,000+

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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+

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Word form – A number written in words. 123, 789

one hundred twenty-three thousand,seven hundred eighty-nine

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712,986,503

seven hundred twelve million, nine hundred eighty-six thousand,

five hundred three

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356,147,964

three hundred fifty-six million, one hundred forty-seven thousand,

nine hundred sixty-four

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93,621,845

ninety-three million, six hundred twenty-one thousand,

eight hundred forty-five

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531,938

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

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

256 million, 173 thousand,720

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712,986,503712 million, 986 thousand, 503

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356,147,964356 million, 147 thousand, 964

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93,621,84593 million, 621 thousand, 845

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531,938531 thousand, 938

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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.

© 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.