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Is Zero Positive or Negative?
Is zero positive? Is it negative? Often confused and misunderstood, here is Zero, explained.
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Multiplication Tricks Roundup
Multiplication tricks are useful when learning the math facts. Here is a list of various sites with lots of tips, tricks and poems to help!
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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.
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.