Tuesday, 6 December 2016

Twenty cards, six piles


I have twenty cards with the numbers from 1 to 20 on. I want to put them in six piles.
It doesn't matter how many cards are in each pile.
But I want the sum of the numbers in each pile to be the same (so when you add the numbers in a pile together you get the same for each pile).

Which cards go in which pile?

16 comments:

  1. I just want to tell you something that if we are only using the numbers up to 1-20 are we supposed to use the numbers once.

    ReplyDelete
  2. Yes that's right. You have 20 cards, each with a different number on. Each card can only go into one pile.

    ReplyDelete
  3. 5X4=20

    if does your anwer has to be 1 time as well

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  4. 1. 2+3=5
    2. 1+4=5
    3. 13-8=5
    4. 14-9=5

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  5. 1 pile=3+3=6
    2 pile=5+1=6
    3 pile=2+4=6
    4 pile=12-6=6

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  6. 1. 4+4=8
    2. 3+5=8
    3. 6+2=8
    4. 7+1=8

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  7. pile 1=20+1=21
    pile 2=19+2=21
    pile 3=18+3=21
    pile 4=17+4=21
    pile 5=16+5=21
    pile 6=15+6=21

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  8. 1 pile =3+4=7
    2 pile =1+6=7



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  9. 1 pile=7+3=10
    2 pile=6+4=10
    3 pile=8+2=10
    4 pile=9+1=10
    5 pile=5+1+4=10
    6 pile=6+3+1=10

    ReplyDelete
  10. Remember everyone, you need to use all twenty cards once and ONLY once.

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  11. pile 1=20+10=30
    pile 2=19+11=30
    pile 3=18+12=30
    pile 4=17+13=30
    pile 5=7+8+1+2+3+9=30
    pile 6=15+4+5+6=30
    pile 7=14+16=30
    I know it isn't right but I got close

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  12. 1.19+2=21
    2.15+6=21
    3.14+7=21
    4.12+9=21
    5.16+5=21
    6.13+8=21
    7.17+4=21
    8.18+3=21
    9.20+1=21
    10.10+11=21

    ReplyDelete
  13. Jerome 6 Red To be continued3:05 pm, January 17, 2017

    14+1+9=24
    18+4+2=24
    16+3+5=24
    13+11=24

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  14. pile 1: 4+6=10
    pile 2: 3+7=10
    pile 3: 2+8=10
    pile 4: 1+10=10
    pile 5: 5+2+3=10
    pile 6: 3+3+6+4=10

    ReplyDelete
  15. 10 add 2 add 8 =20
    15 add 1 add 4 =20
    9 add 10 add 1 =20

    ReplyDelete
  16. pile 1= 20+5=25

    pile 2= 15+10=25

    pile 3= 24+1=25

    pile 4= 23+2=25

    pile 5= 22+3=25

    pile 6= 21+4=25

    ReplyDelete