Todd Hoff

Prof. Hoff is back again with his unique method of teaching mathematics. This time, he is review operations with numbers. In this video, he frames numbers in terms of place values and the number line and uses that background to present operations with whole numbers. The professor's approach combines a little bit of math history along with an explanation of why things are done they way we have always been taught - and he throws in some alternative procedures as well. His method relies on show