Rectangles, fractions, prime factorization, dancing, puzzles, great books, and so much more — check out all the fun at the March Math education blog carnival:

**But Before You Go…**

I’m running out of carnival hosts! Would you like to volunteer? It’s a bit of work, but great fun, too. Leave a comment here, or send me an email.

**Excerpt:**

**Welcome to the 84th Math Teachers at Play Blog Carnival!**

84 is a portentous number. It’s the sum of twin primes (What’s the previous sum of twin primes? Next?). It’s thrice perfect, twice everything. It’s positively Orwellian. It’s even a town in Pennsylvania.

84 puzzler 1:

Number the intersections of these five circles with the integers 1 to 20 so that the points on each circle sum to the same.

It was a good month for math reading related posts …