Place Value for Decimals by hd3hIc57

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									PLACE VALUE CHART
________ ______ ______ . ______ _______ _______ _______ _________


EXPANDED FORM = listing out the value of each digit in a number
        564 = 500 + 60 + 4
        134.32 = 100 + 30 + 2 + .3 + .02
        4567.802 = 4000 + 500 + 60 + 7 + .8 + .002

ROUNDING DECIMALS
    Round 76.285 to the nearest hundredth.
    Underline the place value that you are rounding.
    Box in that underlined number and one number to the right of it.
    If the number to the right is 5 or greater than 5 - then the
    underlined number goes up by one. If the number to the right is 4
    or less than 4, then the number STAYS the SAME.
    Round up or leave the number the same writing above original
    number.
    All of the numbers to the left stay the same, and all of the
    numbers to the right turn into 0.


ESTIMATING DECIMALS
*Estimating should make your job of solving problem QUICK AND EASY!!
*Make sure your answer is REASONABLE - meaning that the answer actually
makes sense!!! DO NOT confuse rounding with estimating!!
      Examples:
          $45.97 + $51.87 =

            73.42 x 24.99 =

            63.87 divided by 2.45 =


COMPARING AND ORDERING
To compare decimals you need to compare the numbers in each place
value spot – this can be done if you line up the decimals and use zeros as
place holders if needed. Compare from LEFT TO RIGHT.

								
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