Planning a New Math Club

[Photo by Waponi.]

A few years ago, I had several (potentially) future engineers in our homeschool math club, and we enjoyed the challenge of MathCounts and AMC puzzles — but the current crop of local homeschool students is another story.

Last year’s contest-based club meetings dwindled to one student. Even before the recent MathCounts rule changes, I knew I needed a new plan. The final straw was Kitten, whose moaning complaint that she “hates math” has begun to drive me crazy.

So, what’s a homeschool math teacher to do?

Continue reading Planning a New Math Club

Carnival of Mathematics 69 (via JD2718)

Jonathan serves up plenty of fun in this month’s Carnival of Mathematics. And he will be hosting the Math Teachers at Play blog carnival in two weeks — submit your entries here.

Carnival of Mathematics 69

Normally a Carnival of Mathematics opens with a discourse on its ordinal. But 69?

It is 1000101 in binary, 1011 base 4, 105 base 8, 45 in hex… If we used 32 as a base?  25. And that would be 15 in base 64.

69 is odd. But there are as many odd numbers as there are ________. I still love that!  It is one of a bunch of surprises that Dave Richeson lists  at Divisio …

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via JD2718