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Piet Mondrian

Piet Mondrian

Piet Mondrian (1872-1944) –   Was a Dutch painter and pioneer of abstract art. He lived in different places over the years including Paris, London, and New York. Mondrian developed a style of painting based on the use of simple geometric shapes and pure colors. Rectangles were the prominent shapes in his work. The X•Y […]

Rene Descartes

Rene Descartes – Born in 1596, was known as The Father of Modern Mathematics. Descartes’ love of mathematics was part of his everyday life. One night when he was lying in bed having trouble falling asleep, he noticed a fly walking around the ceiling. He thought to himself, “How can I describe where that fly […]



Fly On The Ceiling (Step into Reading, Step 3, paper) by Julie Glass, Richard Walz (Illustrator) Price: $3.99 Buy Now Recognized as the father of analytic geometry, René Descartes was a French mathematician and philosopher. Kids will love this funny and very accessible tale – based on one of math’s greatest myths – about the […]


Parents & Teachers

Learning math the logical way! Providing a foundation in math for your students is becoming increasingly important in this age of information technology. Learn what other’s are saying about how the XY Chart™ is helping children learn math. Support the XY Chart If you are interested in distributing XY Charts as a reseller, please email […]