Below are numerous Powerpoint files I have created for Math teachers:
Number Sense
Mathematical Modeling to Improve Number Sense
Beginning Number Sense (subitizing)
Basic Operations
The Four Basic Operations: Addition, Subtraction, Multiplication, and Division
Fractions & Decimals
Patterns, Functions, and Algebra
Patterns, Functions, and Algebra
Other Math
Problem Solving and Fun Stuff
What’s the Difference between a Mathematician and a Magician?
Problem Solving with Playing Cards
Miscellaneous
NCTM Standards vs Virginia SOLs
Joe Hill's Family Website 