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1 © 2007 M. Tallman

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

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

4 739,512

5 © 2007 M. Tallman Period- each group of three digits in a place value chart.

6 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.

7 © 2007 M. Tallman Millions Thousands Ones Millions Ones Thousands 785,632,901

8 © 2007 M. Tallman Millions Ones Thousands 785,632,901

9 © 2007 M. Tallman Place value – tells you how much each digit stands for.

10 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,

11 © 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

12 © 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

13 © 2007 M. Tallman 4 7 5807634,, Hundred Hundred Million Ten Thousand Tens

14 © 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,

15 © 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

16 © 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

17 © 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?

18 © 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

19 104367, 100,0004,000300607++++ What is the value of each digit?

20 © 2007 M. Tallman 3 76541, 300,0006,000500401 + + + + What is the value of each digit? 70,000 +

21 © 2007 M. Tallman 7 Hundred Thousands 63401 Hundred Millions Ten Millions Millions Ten Thousands Thousands Hundreds Tens Ones 00,000,0000007++++ 1436,

22 © 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 +

23 © 2007 M. Tallman Word form – A number written in words. 123, 789 one hundred twenty-three thousand, seven hundred eighty-nine

24 712,986,503 seven hundred twelve million, nine hundred eighty-six thousand, five hundred three

25 © 2007 M. Tallman 356,147,964 three hundred fifty-six million, one hundred forty-seven thousand, nine hundred sixty-four

26 © 2007 M. Tallman 93,621,845 ninety-three million, six hundred twenty-one thousand, eight hundred forty-five

27 © 2007 M. Tallman 531,938 five hundred thirty-one thousand, nine hundred thirty-eight

28 © 2007 M. Tallman Short word form – A number written with a combination of numbers and words. 256 million, 173 thousand,720

29 712,986,503 712 million, 986 thousand, 503

30 © 2007 M. Tallman 356,147,964 356 million, 147 thousand, 964

31 © 2007 M. Tallman 93,621,845 93 million, 621 thousand, 845

32 © 2007 M. Tallman 531,938 531 thousand, 938

33 © 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.

34 © 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.