Harry Sitomer Books

How did numbers begin?
How did numbers begin?

By Mindel Sitomer

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Briefly explains the matching and comparison of quantities, the naming and ordering of numbers, and counting--all steps in the history of numbers.

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Zero is not nothing
Zero is not nothing

By Mindel Sitomer

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Discusses the importance of zero in the decimal system and its many uses.

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Circles Young Math
What Is Symmetry Young Math
Spirals
Spirals

By Mindel Sitomer, Harry Sitomer

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Circles
What Is Symmetry
What Is Symmetry

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