Paul Dexter
  • Member for 7 years, 9 months
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How to teach algebraic expressions?
10 votes

Difficulty with an advanced concept is often due to not grasping a prerequisite concept. Here are some prerequisite concepts that students should have grasped before trying to grasp expanding $(a+b)^...

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How do I teach algebra?
5 votes

If your curriculum allows you the flexibility to do this, I prefer to start with what are variables (a letter representing a number that varies), then what are expressions (a plan what you'll do once ...

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Are there disadvantages to teaching complex numbers as purely geometrical objects?
3 votes

If you're concerned what we really mean by saying the "usual rules" apply, you really are concerned with the axioms of the real number system, and how they compare to the axioms of the complex number ...

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