Speed Time model for multiplication of directed numbers
http://www.geogebratube.org/material/show/id/21897 (Download GeoGebra file)
This is a speed time model for exploring multiplication of directed numbers on a number line.
http://www.geogebratube.org/material/show/id/21897 (Download GeoGebra file)
This is a speed time model for exploring multiplication of directed numbers on a number line.