The Journal of Educational Research, Vol. 80, No. 6 (Jul. - Aug., 1987), pp. 363-365 (3 pages) Two classes of third-grade students in distant but similar schools were selected for the study. In the ...
In the video above, the MinutePhysics team demonstrates how addition can be used to solve subtraction problems. It requires budding modular mathematicians to perform some simple subtraction, addition, ...