18 – frog leaps and beach ball

I started the frog leap problem with my algebra class by having 6 kids act it out.


My geometry kids did segment and angle bisector constructions that lead to a cool theorem. The kids called it “beach ball.”

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  • By 24 – hexaflexagons and peg jumps on July 16, 2014 at 1:10 pm

    […] a follow-up to our Frog Leaps lesson from Day 18, the algebra kids worked in pairs on Peg Jumps, a puzzle that I found in Martin […]