Plotting points; plotting products.

Martin Gardner


Welcome G4G13 Participants!

Martin loved to entertain with math, without dumbing down. We would love to know your thoughts on our presentation of the multiplication facts in the first quadrant of the Cartesian Coordinate system. We have our reasons for doing this. What would yours be? If you would briefly describe them in the comment field below,  you will receive a 25% discount on your purchase. Other comments are also welcome.

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About the XY Chart Multiplication Table

Reliable mental math skills lead to a lifetime of pleasure, enjoyment, and successful critical work. The XY Chart™ brings together two fundamental visual tools—the 10 x 10 multiplication table and the Cartesian coordinate system—in a natural way that makes learning them easy. Traditional multiplication tables organize the numbers in ascending order from top to bottom, […]

2018 The intersection of math and the humanities.

It’s about time, but the insight arrived. The visual integration of feelings and math can be achieved by displaying a How Are You Feeling Today? poster next to an X•Y Chart on the classroom or bedroom wall. The unspoken message is that critical thinking and feeling complement one another, in fact, neither proceeds well without […]