Math Teachers at Play 65: Teach, Learn and Enjoy

Welcome to the 65th edition of Math Teachers at Play. First let us have some trivia about 65. First, 65 is the smallest integer that can be expressed as the sum of two distinct positive squares in two ways 65 = 82 + 12 = 72 + 42. Second, 65 is the length of the hypotenuse of 4 different Pythagorean Triangles:  652 = 162 + 632 = 332 + 562 = 392 + 522 = 252 + 602. Third, 65=15+24+33+42+51. Lastly, 65 is the traditional age for retirement in the United States, the United Kingdom, and other countries including my beloved Philippines.

And now, let the math carnival begin!

Math Teachers at Play 65 Entries

Ing shares how she prepares her 5-year old to before studying preschool elementary. I really like her activity on Number Bonds in her blog Inspirations.

Given a shape made of straight lines, can you fold a piece of paper that you can cut out the shape with one straight line? This is Bowman Dickson’s One Cut Problem in his blog Bowman in Arabia. » Read more

Mathematics and Multimedia Blog Carnival 25

The 25th edition of the Mathematics and Multimedia Blog Carnival is now live at White Group Mathematics.

Math and Multimedia Blog Carnival 25

The next edition of the Math and Multimedia Carnival is now accepting entries. You may submit your entries here on or before June 27, 2013.

If you are interested to host the carnival, email me at mathandmultimedia[at] The next Carnival Edition will me on June 30, 2013.

You might also want to enjoy the following Carnivals.

Math Carnival 25 Submission Deadline

The Mathematics and Multimedia Blog Carnival is now accepting entries for its 25th edition which will be hosted by White Group Maths.  You may submit your entries at the M & M Carnival submission form on or before April 30, 2013. The carnival will be posted on May 3, 2013.


You may also want to browse the following carnival links

Image Credit: Stig Nygaard via Flickr

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