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Interactive
Curated OER

Cutting A Note Card Big Enough for Someone to Walk Through

For Students 6th - 9th
In this hole worksheet, students decide whether it is possible to cut a hole in a note card big enough for someone to walk through it, and if so how.  The solution in provided.
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Worksheet
Curated OER

Rational Expressions Test with a Calculator

For Students 11th - Higher Ed
In this rational expression worksheet, students graph rational equations, evaluate limits, state intercepts, asymptotes, and roots and factor.  This worksheet is designed as a test to be completed with a calculator. 
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Worksheet
Curated OER

Are all holes round?

For Students 2nd - 3rd
In this holes worksheet, students observe how not all holes are round by making holes out of rulers and paper. Students also answer 3 questions.