The Fly on the Ceiling

A Math Reader

Illustrated by Richard Walz
That is one pesky fly! Kids will love this funny and very accessible myth about the real-life historical figure who popularized the Cartesian system of coordinates. You won't believe how he did it!

Recognized as the father of analytic geometry, René Descartes was a French mathematician and philosopher. So how could a fly lead to an important math discovery? Read this imaginative Step 4 and find out!

Step 4 Readers use challenging vocabulary and short paragraphs to tell exciting stories. For newly independent readers who read simple sentences with confidence.
Richard Walz is the illustrator of many humorous historical Step into Reading books. He lives in Northampton, Massachusetts. View titles by Richard Walz

About

That is one pesky fly! Kids will love this funny and very accessible myth about the real-life historical figure who popularized the Cartesian system of coordinates. You won't believe how he did it!

Recognized as the father of analytic geometry, René Descartes was a French mathematician and philosopher. So how could a fly lead to an important math discovery? Read this imaginative Step 4 and find out!

Step 4 Readers use challenging vocabulary and short paragraphs to tell exciting stories. For newly independent readers who read simple sentences with confidence.

Author

Richard Walz is the illustrator of many humorous historical Step into Reading books. He lives in Northampton, Massachusetts. View titles by Richard Walz

Books for Hispanic & Latine Heritage Month

This Hispanic & Latine Heritage Month (and beyond!), we’re celebrating authors, creators, and illustrators from the Hispanic and Latine community. Join us in uplifting their voices and stories by bringing them into your classroom. Find a full collection of Elementary School titles here.

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