Gap & Difference - Excess_Shortage (Part 3)

This video is Gap & Difference (Part 3), a follow-up of the previous videos on Gap & Difference - Excess_Excess (Part 1) and Shortage_Shortage (Part2). In this video, students are taught how to go about using Common Multiples and Gap and Difference to solve the same word problem. The unique features of Gap and Difference in clearly explained in this video. The systematic approach on how to go about using Gap and Difference in problem solve is shared using examples. Explanations are given why students are recommended to use Gap and Difference to replace Common Multiples. Gap and Difference is definitely a highly recommended heuristic / strategy as it is more effective and efficient and even less tedious and less time consuming.