7.NS.2d

This topic contains 2 replies, has 3 voices, and was last updated by  Bill McCallum 4 years, 3 months ago.

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  • #2223

    amsmith5
    Member

    Based on their work with 5.NF.3, 4.NF.1, 4.NF.6, and 6.NS.2&3, should students already know some fractions have decimal representations that terminate in a finite number of digits while others are infinitely repeating? Are students expected to express remainders as decimals in grade 6 and the intent of 7.NS.2d is just to make sense of why some fractions result in terminating decimals and others do not?

    #2243

    smithba.wbms
    Member

    Check out H.-S. Wu’s paper “Teaching Fractions According the Common Core State Standards”. It contains some answers to your question.

    #2270

    Bill McCallum
    Keymaster

    Sorry, I thought I had already replied to this one. I don’t think students have to see repeating decimals before Grade 7; that is, the standards do not require this.

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