Math Teachers at Play #61 via Math Hombre

Come join the fun!

The Math Teachers at Play blog carnival is a monthly blogging round-up shared at a different blog each month, featuring posts from parents, teachers, homeschoolers, and students — anyone who is interested in playing around with school-level (preschool to pre-college) or recreational math.

This month’s edition is ready for your browsing pleasure:

Enjoy!

My Ebook: Kindle & Smashwords Updates Available

letsplaymathcover-mini

If you bought an early edition of my ebook Let’s Play Math, you can now update your copy to the latest version.

This update includes:

How To Update

If you bought at Smashwords, the latest update is always available for download at their site.

If you are an Amazon.com customer, you can get the updated version of this book by going to your Content and Devices page. Find the book in your Kindle Library, click on the “Update Available” link next to the book’s title, and then follow the update prompts. After you do this, all of your Kindle devices that have the ebook currently downloaded will be updated automatically the next time they connect to wireless. If you tucked the book away in a folder, the update will replace it there, rather than cluttering up your home screen.

Logic Puzzle: Imbalance Problems

Kitten and I have been slogging through the decimals chapter in AoPS Pre-Algebra. She hates arithmetic, so I tried skipping ahead to the algebra puzzle in the exercises, but she refused to be taken in: a decimal problem with an x in it is still a decimal problem.

So I let her off early and pointed her toward these logical “algebra” puzzles instead:

Puzzle by Paul Salomon

Continue reading Logic Puzzle: Imbalance Problems

Beautiful Math: Visualizing Music

Mathematicians Ask Questions

If we want to teach our children to think mathematically, we need to model and encourage asking questions. For instance:

  • What is the difference between the rectangular sounds and the round ones?
  • At 5:20, the orange notes (violin) change to a different shape. Why? What change in the sound does this represent?

What questions does the video inspire for you? I’d love to hear your comments!

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