Welcome to the 4th edition of the Mathematics and Multimedia Blog Carnival … Four is the smallest composite number, its proper divisors being 1 and 2. Four is also a highly composite number … 4 is the smallest squared prime (p

^{2}) and the only even number in this form ….

## Reminder: Math Posts Wanted

Now is the time to send in your blog posts for the next *Math Teachers at Play* blog carnival, coming this Friday to Homeschool Bytes. You don’t have to be a teacher to join in the fun! MTaP covers mathematics from preschool through the first year of calculus, and we welcome any posts about learning, teaching, or just playing around with math.

- Check out last month’s MTaP carnival.

Would you like to host an edition of the MTaP? Read How To Host a Blog Carnival, and then drop me an email or leave a comment on this post.