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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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Seeing Math at Church
Can you see math at your church? I bet you can!
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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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Teaching Time Isn’t Only About Telling Time
Teaching time seems pretty straightforward. But when you think about how adults view time, it becomes a little slippery.
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Links for Learning – December 11, 2011
I’ve been sitting on these links for math learning for too long – wanted to share them with y’all…
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Scalar Factors of Scalar Ratios
Scaling objects and shapes is much more interesting than scaling “ratios” or fractions. Here’s the scalar factor table (yuk) along with some ways to make learning this linear algebra concept a lot more fun.
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Math Holiday Shopping Day
There’s a lot of math involved in shopping. And around the holidays, since there’s a lot more shopping, there’s a lot more math.
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Math Songs
Want some variety in your math teaching? How about some cool math songs?
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The Math Behind the Monty Hall Problem
As promised, here’s the “hard way” to understand the Monty Hall Problem. A little math involved, but also the Back to the Future Time Machine!
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The Monty Hall Problem Explained – The Easy Way
There are a couple of ways to explain the Monty Hall Problem – the easy way and the hard way. I have to make cheesy potatoes, so the hard way comes tomorrow…












