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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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What It Means to Be Gifted in Math
What does it mean to be “gifted” in math? Is your child gifted? Aren’t all children gifted?
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What’s the Domain, Why You Need It and How You Get It
Finding the domain of a function is slippery and misunderstood. Why do we do it? Why do we need domains anyway? And how do you find the domain?
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What’s a Function?
It may be every student’s idea of the f-word, but a function is really just a question. In this post, read how you can explain functions with regular sentences. And even explain the domain!
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Counting with Ordinal Numbers
Ordinal numbers are “1st, 2nd, 3rd, …” but we need these to count items to arrived at the final cardinal numbers. All this fancy math talk – why not make it fun with some colorful bugs!
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An Observation of Cardinals and Ordinals at the Playground
When we count, we use both cardinal numbers and ordinal numbers. But what’s the difference!?
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How to Train the Brain to Understand the Transitive Property
Using Discovery Toys’ Think-It-Through tiles you can train the brain for the Transitive Property.
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Some Fun Ways to Teach Counterexamples
A counterexample is a special kind of example that disproves a statement. They are everywhere – and that’s the best part about teaching them!
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Two Reasons to Memorize Math Facts
Some people believe that math facts shouldn’t be memorized. Here are two reasons they should.
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Be the Village – How to Help Every Kid with Math
You might not be a nurturer, but you can still be part of the village it takes to raise a child. You can help with math!
About MathFour.com
I’m Bon Crowder and the photos above are both of me – in 1989 and today. I’m a Generation X mom of Generation Z kids. I began peer tutoring in high school in 1984.
MathFour.com is the “today” version of me helping peers be comfortable in math. If you’re a Gen-X parent, you’re in the right place!
Wanna connect? Give me a call at 713-557-8048.