Gap & Difference - Excess_Excess (Part 1)

In Singapore Primary Math, Problem Solving is one crucial task students are facing. To problem solve, heuristics or strategies are introduced. Specific type of heuristics or strategies are used to tackle certain problems. 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 efficientl and even less tedious and less time consuming.