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Tutorial-Solve a proportion when the variable is in denominator and numerator ex 16, (3+2x)/(3–2x)=3

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The Atlantic

5-Year-Olds Can Learn Calculus

The familiar, hierarchical sequence of math instruction starts with counting, followed by addition and subtraction, then multiplication and division. The computational set expands to include bigger ...
The Chronicle of Higher Education

Lessons learned from Fall 2005, Part 2: What’s up with calculus?

Last time I began a series of posts of observations of trends or lessons I’ve learned from a tumultuous Fall 2005. This time I want to focus on the following observation: I have a real problem with ...