|Photograph by a student in Pathlight School|
Other than counting objects in a set, we can also count number of ways to arrange objects in a row.
This is one way to arrange the four houses in a row.
Find the number of different ways to arrange the four houses in a row. Show your method clearly.
Students do not learn permutation (counting ways of arrangements) until in their teenage years.
Describe one experience that 5-year olds can make sense of that provides a foundation for the learning of permutation.