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Union, Intersection and the Empty Set
Check out this way to see how union and intersection work – using SnackTraps and blocks. Also, how the empty set works with them!
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Mathematician Parent: David Chandler
With the goal of helping parents integrate math teaching into parenting, this is an interview with mathematician parent David Chandler, physics and math instructor and founder of Math Without Borders.
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The Order of Operations Explained: Multiplication and Division
Last week’s article on the order of operations included a quick mention that division is the same as multiplication – but different. Now’s the time to explain that a bit.
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How to Create a Maze
I learned how to dissect and solve a maze from this video by David Chandler. Which inspired me to create a maze!
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Empty Sets – When to Use Curly Brackets
Sets are intuitive – you have a basket and you put stuff in it. But what about the empty basket? How do you write it? And why is that important how you write it? Here’s a hands on example of the empty sets in your kitchen.
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The Order of Operations Explained: Exponents, Multiplication and Addition
Next in the series explaining the order of operations is this discussion on the relation of exponents, addition and multiplication and how to remember the order of operations… the natural way!
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50 Word Friday – The Math Mini-Saga Series
Mini-Sagas are suggested in Dan Pink’s book A Whole New Mind. This is the first in a Friday series of mini-sagas around math and the lives of math people.
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How to Teach Math Concepts at the Dinner Table
Math concepts are everywhere. Identifying them when you see them can make teaching math a breeze. Here’s one place to find some math concepts: at the dinner table!
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How to Teach a Weird Math Rule: Negative Times a positive Is a Negative
Grownups are often frustrated when faced with “they made this math rule just to make me mad” – because we secretly believe that it’s true! Where did these rules come from and how are we supposed to teach them?
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Interview with Math Game Sokikom’s Founder
Interview with founder and creator of Sokikom, an online social math game for grades 1-6. Find out where the idea of a social math game came from!
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.