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© 2007 M. Tallman

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

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Standard form – a number written with one digit for each place value. 123,789

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739,512

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© 2007 M. Tallman Period- each group of three digits in a place value chart.

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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.

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© 2007 M. Tallman Millions Thousands Ones Millions Ones Thousands 785,632,901

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© 2007 M. Tallman Millions Ones Thousands 785,632,901

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© 2007 M. Tallman Place value – tells you how much each digit stands for.

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Place- each period has three places Millions Thousands Ones H u n d r e d T e n O n e s H u n d r e d T e n O n e s H u n d r e d T e n U n i t s,7 8 9530621,

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© 2007 M. Tallman Ten Thousand (One) Thousand, Hundred Thousand Millions Thousands Ones Hundred Ten Ones Hundred Ten Ones Hundred Ten Units 7 8 9530621, (One) Million Hundred Ten Million Tens

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© 2007 M. Tallman (One) Thousand Hundred Million Hundred Thousand (One) Million Ten 7 8 9530621,, Millions Thousands Ones Hundred Ten Ones Hundred Ten Ones Hundred Ten Units Hundred Ten Thousand

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© 2007 M. Tallman 4 7 5807634,, Hundred Hundred Million Ten Thousand Tens

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© 2007 M. Tallman Millions Thousands Ones H u n d r e d T e n O n e s H u n d r e d T e n O n e s H u n d r e d T e n U n i t s Value- the product of a digit multiplied by its place., 7 8 9530621,

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© 2007 M. Tallman, Millions Thousands Ones Hundred Ten Ones Hundred Ten Ones Hundred Ten Units 7 8 9530621, 30,000 700,000,000 0 600,000

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© 2007 M. Tallman 7 8 9530621,, Millions Thousands Ones Hundred Ten Ones Hundred Ten Ones Hundred Ten Units 80,000,000 2,000 900 30,000

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© 2007 M. Tallman 5,000,000 (one) millions5,790,293 30tens338338 90,000ten thousands97,857 70,000,000ten millions78,997,545 200,000 hundred thousands 277,052 300hundreds5,362 ValuePlaceNumber What is the place and value of the underlined digit?

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© 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

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104367, 100,0004,000300607++++ What is the value of each digit?

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© 2007 M. Tallman 3 76541, 300,0006,000500401 + + + + What is the value of each digit? 70,000 +

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© 2007 M. Tallman 7 Hundred Thousands 63401 Hundred Millions Ten Millions Millions Ten Thousands Thousands Hundreds Tens Ones 00,000,0000007++++ 1436,

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© 2007 M. Tallman 3 76541, 300,0006,000500401 + + + + Line up the places and add for standard form. 70,000 + 300,000 70,000 6,000 500 40 1 +

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© 2007 M. Tallman 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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© 2007 M. Tallman 356,147,964 three hundred fifty-six million, one hundred forty-seven thousand, nine hundred sixty-four

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© 2007 M. Tallman 93,621,845 ninety-three million, six hundred twenty-one thousand, eight hundred forty-five

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© 2007 M. Tallman 531,938 five hundred thirty-one thousand, nine hundred thirty-eight

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© 2007 M. Tallman Short word form – A number written with a combination of numbers and words. 256 million, 173 thousand,720

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712,986,503 712 million, 986 thousand, 503

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© 2007 M. Tallman 356,147,964 356 million, 147 thousand, 964

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© 2007 M. Tallman 93,621,845 93 million, 621 thousand, 845

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© 2007 M. Tallman 531,938 531 thousand, 938

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© 2007 M. Tallman 6 4 1295708,, Million Thousand One Hundred Ten Ones Hundred Ten Ones Hundred Ten Units 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.

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© 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. and three hundred and fifty-six.

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