I like the use of logic over just guessing. If there is anything this website might do is justify logic. So when I see a statement in a newspaper such as “The way things are going, pretty soon the waiting time for abortions will be ten months long!!!”.  Boy, talk about “Planned Unparenthood!”. Or how [...]

Using some algebra, we can see why this Math Card Trick works. A video will be added later. Please click on the file name below to see the pdf file.
A Math Card Trick

This is supposed to be a video, but I am having software problems with my video (no audio). So, as a temporary measure I have written a pdf file below that describes what is on the video (and extends it a bit). I will add in the video as soon as I get the “bugs” [...]

Finding one’s latitude is not too hard and has been know for well over 1 000 years. (See July 31, 2009). However, the ability to find one’s longitude at sea (and land), was hard. Here is a look at the man who solved the problem. Please click on the file name to see the pdf [...]

Solving the “Type 6″ equation, the quadratic, has been our Wednesday theme for the past three weeks. Today we look at solving these equations by graphing. Please watch the video below.

Yesterday, we looked at some properties of polygons, and today we extend that idea. Please click on the comic strip to enlarge if necessary.

Carrying on with geometric shapes, Hexa and Octa look at the definitions of some types of polygons. Please click on the comic strip to enlarge if necessary.

Here are a couple of neat puzzles, both giving surprise answers. Please click on the file name to see the pdf file.
Rope Around Earth Puzzle

Yes, it is true, I can read your mind AND foretell the future!  Here is a simple little trick (and of course, why it works) that your younger (and maybe your older) kids might like. Please click on the file name to see the pdf file.
Another, I Can Read Your Mind Trick!

Over the last two Mondays and Tuesdays, we have looked at quadrilaterals, their definitions and their properties. Today we take those properties and start to look at some applications of them. Please click on the file name to see the pdf file.
Applications of Quadrilaterals