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Does anyone have any suggestions on teaching a third grader division strategies??

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Nanerz

Asked by Nanerz at 1:52 PM on Nov. 2, 2009 in School-Age Kids (5-8)

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Answers (5)
  • toothpicks....... Do the math with toothpicks all laid out on a table.

    sahlady

    Answer by sahlady at 1:56 PM on Nov. 2, 2009

  • Does he know his multiplication tables? Tell him it's backwards multiplying. Teach it as number families (i.e. 3, 8, 24, 3x 8 = 24, 8 x 3 = 24, 24 / 3 = 8, 24/8 = 3) and show him how all problems in the family will have the same number so he just has to figure out what's missing.
    Anonymous

    Answer by Anonymous at 4:03 PM on Nov. 2, 2009

  • The toothpick idea (you can use dried beans, coins, beans, whatever you have) is a great way to start. Use Dixie cups for the divisor. So, for 21 divided by 3 the child would take 3 cups and drop one toothpick at a time into each of the 3 cups. When they are all gone, she counts how many are in one cup.


    Once she's mastered that, sets and tallies is really easy and the child can do it as long as they have a paper and pencil. For 18 divided by 3 have the child draw three circles (those are the sets) and then distribute eighteen tally marks evenly among them. The number of tallies in each circle is the answer.


    Once she's got that down using a multiplication table can also speed her up. But you have to be careful because kids become dependant on them. 


     


    MAUREEN55

    Answer by MAUREEN55 at 5:41 PM on Nov. 2, 2009

  • Finally, good old fashioned flash cards are truly the best way for many kids to memorize their facts. Once she understands the concept, it's important that she can recall the facts quickly. The biggest mistake people make is trying to drill 30-40 facts at a time. Kids learn best in smaller sets. Using 5-10 cards at a time will make sure is reviewing the same facts repeatedly and getting the multiple exposures she needs to memorize them. Good Luck!

    MAUREEN55

    Answer by MAUREEN55 at 5:41 PM on Nov. 2, 2009

  • Thank you everyone for your suggestions!!
    Nanerz

    Answer by Nanerz at 5:17 PM on Nov. 4, 2009

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