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• 2019-02-13T00:18:18-05002019-02-12T23:36:51-05002019-02-11T04:44:41-0500

• ## Why does multiplying two negatives give you a positive?0

I found myself in a difficult situation the other day:  explaining the multiplication of two negative numbers to my 8 year old. Negative numbers are rather simple to illustrate when using temperature because there is a clearly visible “zero” Celsius and numbers on either side of it.  Living in Canada, we can see dramatic fluctuations

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• ## Critical Thinking For Life: A Review of Total Motivation Math and Reading Resources1

Critical thinking is a form of thinking that is disciplined, clear, rational, open-minded, and informed by evidence.  It is the mental process of actively and skillfully conceptualizing, applying, analyzing, synthesizing, and evaluating information to reach an answer or conclusion. In 1995, a meta-analysis of the literature on teaching effectiveness in higher education was undertaken.  The

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• ## A Simple Math Puzzle12

Enter your answer in the comments. Don’t forget to show your work for full points…  [colorvote id=”1″ style=”wpcvp-poll”]

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• ## The “Infinite Profit” Puzzle0

Let’s say I put \$20 in a box. Now you do the same. The box now contains \$40, and we’re both aware of this fact. Now, I sell you the box for \$30. We both walk away with \$10 profit. Repeat forever, and you’ve got an infinite supply of money. Wait, wut? At first glance,

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• ## How to Mislead People with Graphics that Lie4

Numbers don’t lie, but the people that use them do.  Sometimes, numbers are presented in sneaky ways to deceive people.  Shocking, but true.  Here are 5 ways that you can be mislead by others with graphics.  Keep these tips in mind – along with the intent of the party that is presenting the data –

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• ## How Many Times Can You Really Fold a Piece of Paper in Half?0

A popular myth exists that one can only fold a single piece of paper in half, seven, maybe eight times at most. To squelch this popular myth, the folks over at Mythbusters did what any “rational” person might attempt; they produced an enormous sheet of paper, something roughly the size of a football field. Together

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