5.NBT.3 Representation for expanded form

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  • June 27, 2014 at 11:17 am #3139
    Lisa j r
    Participant

    In the standards doc there are ( ) around the fractional values. Was that intentional as a prefered format? Was that done for convenience because the fractions were not stacked? Would it be appropriate to use ( ) for each partial product. … (1 x 1/10) + (9 x 1/100) … etc. Using stacked fractions and not ( ) around each fraction.
    Thanks

    July 3, 2014 at 5:12 pm #3152
    Bill McCallum
    Keymaster

    I wouldn’t read to much into this in the sense of it being a format required by the standards. It was, as you say, mostly a matter of making the meaning clear. Stacked fractions are clearer, but not always typographically possible.

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