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17 June, 16:27

Show how you can use repeated subtraction to find how many groups of 7 are in 28. then write the division sentence for problem

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Answers (2)
  1. 17 June, 19:41
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    28-7=21

    21-7=14

    14-7=7

    7-7=0

    There are 4 sevens
  2. 17 June, 20:13
    0
    28 - 7 = 21

    21 - 7 = 14

    14 - 7 = 7

    7 - 7 = 0

    Therefore 28 - 7 - 7 - 7 - 7 = 0

    There are 4 groups of 7, so 28 : 7 = 4
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