Ever wonder why every year in math starts with the Number Line? When I was a student I thought it was a waste of time. Why did we do this every year? Again!
Whole numbers, integers….I mean numbers are numbers, right?
Partly it’s a maturity thing. Every year you are a little older and every year you absorb a little more from the discussion. Here it is again for those who really want to know!
No kidding….here is a free video that will set you straight once and for all.