Talks and Presentations
NUMBERS AND ALGEBRA
Nothing Costs
$200
Some
functions are discrete (though we may pretend theyÕre continuous). Others
really are continuous (though we may pretend theyÕre discrete). Strangely
enough there are still others that canÕt make up their minds.
Try Not To
Think About Irrational Numbers
Sure,
your students can give examples of irrational numbers, but do they really
understand what a irrational numbers are? Do you? If so, you havenÕt really
thought about them enough yet.
Imaginary
Numbers Are REAL!
Why
pretend that negative numbers have square roots? Because they do! Your students can discover and use complex numbers
in meaningful ways before they ever encounter 
or the misnomer
ÒimaginaryÓ.