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Sarah, Aleisha, Samuel and Jesse from Rutherglen Primary wrote to say:
We had fun doing this, and it was fairly easy the way we understood it. The hardest part was making sure we had the right twenty one pieces in the first place, because we used some old mixed sets from school. We worked out a great system to check we had what we needed though!Well done all of you. Tom from Crawley Down Village C of E School told us:
Dominoes adding up to $6$ (which also solves the even number problem):Good reasoning, thank you Tom. Alex from Heathfield sent in some different solutions:
Adding to $6$: