WEB-xy-in-classroom

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, […]

Basic Math At Home

If you see the advantages of presenting the single digit multiplication facts on the Cartesian coordinate system of the X•Y Chart, but don’t wish to display a chart in your home,  you can still use this design to help your child. The suggestions below don’t quite form an algorithm or a recipe, but if you […]

Drill and kill? Drill and skill! Drill and thrill!

If you talk to exacting visual artists, if you talk to accomplished athletes, if you talk to professional musicians, if you talk to any executive responsible for selling products through advertising, or if you talk to anyone who has mastered any skill, you won’t hear the slogan:  “drill and kill.”  I only hear that blasphemy […]

Seeing the numbers

This is for parents who may wonder what’s the big deal about the Cartesian coordinate system and why should my child become familiar with it. The quick answer is that it is the primary visual tool of mathematics. It helps visualize how numbers change when subjected to the same operation. For example, keeping with our […]

En español también: tabla de multiplicacíon

For the roughly 400 million people in the world who speak Spanish, please watch this video. It describes a multiplication table that everyone in the world will understand, no matter what native language they use in their daily affairs. Mathematics is the universal language, and multiplication, graphing, and the use of variables, X and Y […]