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These numbers form an addition and subtraction fact family. 6, 7, 13

Choose the fact family formed by these numbers.

7 + 13 = 20
13 + 7 = 20
13 – 13 = 0
13 – 0 = 13


7 + 0 = 7
6 + 0 = 6
13 – 0 = 13
13 – 13 = 0


7 + 0 = 7
6 + 0 = 6
13 – 0 = 13
13 – 13 = 0


7 + 6 = 13
13 = 7 + 6
13 – 6 = 7
7 = 13 – 6

  • math -

    7 + 6 = 13
    13 = 7 + 6
    13 – 6 = 7
    7 = 13 – 6

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