Intro Question: Mailboxes
Making a List of Number Types.
Big Questions:
What numbers are out there, and what are they used for?
When do we need fancy numbers, why do we round, and what's the point of fractions?
What is a complex number, and why do we care?
Secondary Question (activity):
Can we order the numbers in a useful way?
Sticky Notes we used: sqrt(x), 1/x, x, x^2,
numbers we tried: 2, -3, 0, pi