n Different contexts may trigger students
to reach for different resources.
n Resources situated in studentsí everyday experiences
are often much easier for them to use than formal ones.
n Transfer is non-trivial.Linking situated and formal
methods may be particularly difficult for students.
n What may look simple to someone accustomed to a
context may be hard for someone new to that context.
(A problem that looks like Gin and Coke to you
may look like K2A7 to your students!)