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MathFour is Back!
For a while, a long while, I let this math blog just sit. I didn’t want to delete it. I spent too much time on it and I knew it was full of great stuff that was still being used. But I wasn’t in love with writing on it. In my lethargy, the hackers and
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Fahrenheit to Celsius – Graphically!
The conversion from Celsius to Fahrenheit and back again can be strange. One way to understand it is on a graph. And you can use this to teach some linear algebra too!
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Motivation or Inspiration – How do you teach?
Grownups work hard to get children curious to help them learn math and be successful. But are we inspiring them or merely motivating them?
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Times Tables Bootcamp
Caroline Mukisa, publisher of Maths Insider, guests today! She talks about the benefits of having the math multiplication facts solidly in your mind as well as ways to help your kids get them there!
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Everybody’s Good at Math
Have you ever said, “I wish people would stop saying, ‘Girls aren’t good at math.'” Here’s what I say back to you…
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Why Engineers Make Bad Math Tutors
While playing Simply Fun’s Math’d Potatoes game with my parents, I was reminded how “math people” can really damper math learning.
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Equality and Comparison: Some Ways to Think of Equality
Equality means different things in the real world. And different things in mathematics. This is a look at equality in the real world so we can start to think about the many faces of equality in mathematics.
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[50 Word Friday] Cars Driving in Circles
Daughter wanted to play. I wanted her to learn. We did both.
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A Human Interest Story Involving Math: The $100 Battery Charger
A story of generosity that doesn’t look like it has math in it – until you really look!
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Algebra with Stamps
I mailed thank you notes for Daughter’s birthday gifts the other day. And wouldn’t you know it, using the stamps involved algebra!








![[50 Word Friday] Cars Driving in Circles](https://mathfour.com/wp-content/uploads/2026/02/image-18.png)



