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20 August, 18:53

Why does the fact family for 81 and 9 have only two number sentences

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  1. 20 August, 19:15
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    The fact family for 81 and 9 have only two number sentences because you can do only two things with the number 81 and 9. The number 81 is divided by 9 and we get the answer 9. and if you multiply the number 9 with 9, you will get the answer 81.

    9 time 9 = 9 x 9 = 81 and, 81 / 9 = 9.
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