## Math Teachers at Play 52

[Photo by bumeister1 via flickr.]

Welcome to the Math Teachers At Play blog carnival — which is not just for math teachers! We have games, lessons, and learning activities from preschool math to calculus. If you like to learn new things and play around with mathematical ideas, you are sure to find something of interest.

Scattered between all the math blog links, I’ve included highlights from the Common Core Standards for Mathematical Practice, which describe the types of expertise that teachers at all levels — whether in traditional, experimental, or home schools — should seek to develop in their math students. Continue reading at Let’s Play Math.

## Math Teachers at Play Carnival 51 at Math Mama Writes

Math Mama Writes has a staggering collection of 51 articles from the blogosphere for the 51st edition of the Math Teachers at Play Blog Carnival. I particularly liked the opening trivia about 51.

I’m a pentagonal number,
I have just two factors,
and if you put me in base 2, 4 or 16,
I’m a palindrome.
I wonder:
Is there anyone else like me in the number universe?
On the other hand, the Math and Multimedia Carnival is currently dormant and will resume next month. It will be hosted by  Mathematics, Learning and Web 2.0.  You may now submit your entries at the submission form.

## GeoGebra 4.0 Tutorials, MTAP 50, and more

The Math Teachers at Play Carnival 50 is now live at Mathematics for Teaching. Due to busyness, the Math and Multimedia Blog Carnival  will have a break this month — unless someone volunteers to host it before the end of the month.

I have updated the following GeoGebra Tutorials to version 4.0: Spreadsheet, Slider, and Curves of Best Fit (Tutorial 20) ; and Spreadsheet and Similarity (Tutorial 21); Spreadsheet, Vectors and Matrices (Tutorial 22). » Read more

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