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 Notes on Representation  The Number Line
 Operators, Functions, and Properties  part 42
 Running the Math Gauntlet
 Making Change  A Sam Lloyd puzzle
 Notes on Deferred Computation  the Pythagorean Spiral
 Notes on Fractions
 Operators, Functions, and Properties  part 35
 Operators, Functions, and Properties  part 38

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 Mathematical Notations and Schools – 15
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 Mathematical Notation and Schools – 2
 Mathematical Notation and Schools: The Series
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Monthly Archives: July 2009
Key Math Ideas Not Taught In School – Invariants II
I want to add a bunch more examples to my prior post about invariants. I intend these examples to be relatively straightforward, and flesh out the key idea behind invariants. To this end, I’m using examples of more elaborate computation … Continue reading
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Tagged extending patterns, invariants, models, representations
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Key Math Ideas Not Taught In School – Invariants
“Counting” involves a number of different mathematical ideas If you watch really young children count, you may notice that they aren’t all doing the same thing. For some children, counting “onetwothree” is done in very much the same way as … Continue reading
Posted in Uncategorized
Tagged education, invariants, math class, models, reverse engineering, unlearning
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Key Math Ideas Not Taught In School
There is a shape, a progression, to the typical school curriculum from Kindergarten through High School, at least in the United States, and this progression hasn’t changed much in the last 50 years or so. We’ve gotten used to this … Continue reading
Posted in Uncategorized
Tagged education, extending patterns, invariants, math class, models, representations, reverse engineering, unlearning
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