This study employs the Excel function to design dynamic visual activities for factors and multiples word problem learning. A teaching experiment was carried out eight times in 4 weeks on three fifth grade students. The result showed that after using multiple-linked representations activities, students made greater progress in understanding target concepts. The participants also mastered the relations in various external representations. For students, understanding word problem transformation becomes an internal representation, whereby they can solve the problems successfully. (Contains 12 figures and 2 tables.)