I’ve had a few extra balls in the air this week and haven’t had a lot of good ideas for math projects. The boys have been working on some old AMC 8’s as a result, but some interesting problems have given them a little trouble. Today my younger son had trouble with the last 3 on the 1994 exam:

For a short little project tonight we talked through these three problems.

The first is a neat problem about digits and place value (and careful reading!):

The second is a neat problem involving counting and geometry. This problem is great and requires you to count really carefully:

Finally, Problem #25 is a really neat arithmetic problem for kids. I loved the way the approached it:

So, thanks to some pretty cool AMC 8 problems, we had a nice little project just by luck!

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