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November 13, 2026
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Mathematics for Teaching

This site is NOT about making mathematics easy because it isn't. It is about making it make sense because it does.

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Algebra

What is a variable (in mathematics)?

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A variable is often talked about in mathematics class as  a symbol that stands for numbers. As Prof Zalman Usiskin reminds us, a variable need not only stand for numbers.

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Tips for Teaching Proofs and Proving

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I propose here ideas teachers need to know and pay attention to when teaching mathematical proofs and how to prove. A. What is a (mathematical) proof? I define proof as a relational

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Geometry / Teaching mathematics

Variables, Constants and Parameters

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Whether a mathematical notation is a variable,  parameter, or constant depends on what you mean by it. If you intend to represent the value of a quantity whose measure varies

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Calculus

Teaching the derivative function

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Most Grade 10 syllabus do not yet include the concept and calculation of derivative. At this level, the study of function which started in Year 7 and Year 8 on

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Algebra / Calculus

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