To promote this complementary relat

To promote this complementary relationship, it is preferable to provide students many opportunities to develop solutions from a multiple-aspect point of view by developing small-scale teaching units that use some modification of traditional materials instead of using larger-scale units once or twice throughout the school year that involve all the processes from (f) to (g) to (h) to (j) to (1) to (m) to (g) and soon.