Window Sum

Directions: Using the digits 0-9, no more than once, complete the puzzle so that the sum of each side is equivalent.

Hint

The sum of the middle numbers on opposite sides are always the same

Answer

There are multiple answers, for example, you can arrange the numbers, 0, 1, 2, 3, 4, 5, 6, 7 in such a way that the sum of each side equals 9. Another solution includes using 0,5,7,3,2,6,4,8 and have sums of 12.

Source: Joshua Nelson and Renee Owen

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22 comments

  1. 0,7,3,2,6,5,1,4 and each side equals 9

  2. 0,7,4,6,1,2,8,3 and each side equals 11.

  3. Matthew McLaren

    5,4,6,9,0,8,7,3

    15

  4. 9 2 1
    3 6
    0 7 5

  5. 5, 3, 9 – 9, 1, 7 – 7, 2, 8 – 8, 4, 5 with each side = 17

    Has anyone really used this with 1st graders? If so, with an entire class or just a select few?

  6. 0 ,5,4,3,2,6,1,8,0

    I think it is 9

  7. 2 5 3 6 1 9 0 8 2 = 10

  8. 90354621 equals 12

  9. I did each side equals 17
    7+4+6
    1 3
    9+0+8

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