Ms. Garcia Math
Place value
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The value of each digit it’s determined by its position with respect to the decimal point.
Each digit we place to the left gets a value 10 times as great as the one to the right.
Standard decimal notation
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The form in which numerals are usually written, with digits 0 through 9, separated into periods by commas.
4,567
Expanded notation
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Method of writing numbers as the sum of powers of ten or as the sum of its units, tens, hundreds, etc.
4,567=
4
×1000
+
5
×100
+
6
×10
+
7
Scientific notation
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Scientific notation is a way of writing numbers too large or small to be conveniently written in standard decimal notation