Good Friday: Sunday’s Coming!

My all-time favorite Good Friday sermon. If the video doesn’t show, see it on YouTube.


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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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Happy Square of a Square Day

3-19 Happy Square of a Square Day sign

In Response To

Make your own “Happy Math Day” sign:

Here’s a fun activity for any age that will encourage your children to play with numbers:


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