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What is a Ruler and Compass Construction?
Inspired by Oleg Gleizer’s teacher interview question, this is the definition and the start of a series on ruler-and-compass constructions.
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Math Teacher Interview Questions
At 8:30 PM CST tonight, October 20, 2011, I’m attending a presentation by a math dad who wrote a book inspired by his search for the right math teacher.
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Yummymath for Kids & Cheap Help for Grownups
I’ve taken a shine to Yummymath, a site that offers great math worksheets with crazy detailed solutions/parents guides.
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HELP – Logic Puzzle Announcing The Homeschool Blog Awards
I tried to create a logic puzzle as a groovy way to announce this. Alas, I totally need help! Will you try my puzzle and make a suggestion?
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Wordless Wednesday: Fibonacci Baskets
Isn’t wordless Wednesday supposed to not have words? I’m totally messing that up – but it is a great photo of Fibonacci Baskets!
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Present Value vs Future Value – How Can You Tell the Difference?
Ever wonder what the difference is between a Present Value annuity and a Future Value annuity? Wonder no more! This video explains it.
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Mathematician Parent: Libby Often
Math mom, teacher and student, Libby Often shares her thoughts on the challenges and hopes of sharing math with her sons and her students.
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What is “Living Math”?
Are you teaching living math right? SURE YOU ARE! Math is everywhere, you live it everyday. Just say it out loud.
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![[50 Word Friday] Quit Counting Up to Punishment!](http://mathfour.com/wp-content/uploads/2026/03/image.png)
[50 Word Friday] Quit Counting Up to Punishment!
Math is everywhere! Even in discipline – when we count up to the moment of punishment! Here’re 50 words and two alternatives.
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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?
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.