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PLACE & VALUE
3,456,857,921PLACE tells where is digit is! (ones, tens,
ten-thousands, millions, billions…)
VALUE tells how much the digit is worth!
(5= 50,000,000 or 50 million)
Let’s practice by asking/answering some Place vs. Value Questions with the above
number.
STANDARD FORM
When you just write the number is called standard form.
3,456,857,921
EXPANDED FORM
When you take the number and spread it out to see the value of EACH digit.
3,456,857,9213,000,000,000 + 400,000,000 +
50,000,000 + 6,000,000 + 800,000 + 50,000 + 7,000 + 900 + 20 + 1
WORD FORM
When you write the number how you would SAY it.
3,456,857,921Three billion, four hundred fifty-six million, eight hundred fifty-seven thousand, nine hundred twenty-one.
Standard Form Place & Value of each digit
Expanded Form Word Form
25,863234,567123,456,7899,876,543,210
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