Mathematics and Multimedia Blog Carnival 23

Welcome to the 23rd edition of the Mathematics and Multimedia Blog Carnival. This is a repost from Mathematical Palette, a blog which I no longer maintain.

In this edition, we have a miscellany of mathematics and mathematics teaching articles.

John Cook presents a proof technique that seems to give you something for nothing, an interesting Binomial coefficient trick, posted at the Endeavor.

Shaun Klassen has a clear explanation about the basic concept of limits in Using Limits to Find Tangents posted at Mathematics Concepts Explained. Continue reading

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. Continue reading

Math Carnival Call for Submissions

Calling all math bloggers!  If you have written a blog post about mathematics, mathematics teaching, math games and puzzles, or anything about mathematics teaching, you may submit it to the next Math Teachres at Play Blog Carnival. The 65th edition of Math Teachers at Play will be hosted here next week.  You may submit your entries until Sunday, August 11, 2013 at the carnival submission form.

I am also happy to announce that the Math and Multimedia Carnival will be revived this month. The announcement will come after the Math Teachers at Play has been posted.

The Latest Math Blog Carnivals

You may also want to view the complete list of Math and Multimedia Blog Carnivals.

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