Place value in math is the position in which a number sits in the decimal system that determines its value. Like, the number 123, the 2 would be in what is called the tenths place
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1. Write out your equation and determine which variables you need to substitute values for. For our example, we will use x + y = 15. 2. Plug the given values of "x" and
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say you have the number 5439 and you are looking for the value of the 5 the answer would be 5000.
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I suggest you look at  http://jeff560.tripod.com/mathsy... "Earliest Uses of Various Mathematical Symbols" Embed
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