As mentioned in Section 2, Methods 2 and 3 are indeed special cases of
Method 1. Therefore, with these examples, one may not only demonstrate the
applications of mathematics concepts, but can also explore various strategies for
solving the same problem and investigate the connections between different
mathematical procedures. Thus, they may help students gain a deeper insight of
mathematical patterns, and enhance their skills of problem solving. These studies may
also involve the use of computer technology, as suggested at the end of Section 2.