Tag: mathematics

November 5, 2018 By alberto

Why does multiplying two negatives give you a positive?

I found myself in a difficult situation the other day: explaining the multiplication of two negative numbers to my 8…

October 4, 2018 By alberto

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

September 12, 2018 By alberto

Let’s say I put $20 in a box. Now you do the same. The box now contains $40, and we’re…

August 28, 2018 By alberto

Does 0.999 (repeated) equal “one”? You might be surprised by the answer… which is “yes“. I heard this on a…

August 26, 2018 By alberto

Formally, Pi is a mathematical constant whose value is the ratio of a circle’s circumference to its diameter (Pi = C/d).…

August 25, 2018 By alberto

A popular myth exists that one can only fold a single piece of paper in half, seven, maybe eight times…

August 25, 2018 By alberto

You are probably reading this article online. In that case, you may not know it but you have a seventeenth-century…