a) Use appropriate representations to model fraction addition and subtraction, i.e. if given
uncommon denominators, obtain pieces of the same size for both fractions then add or
subtract these pieces.
b) Interpret student misconceptions related to fraction addition and subtraction and explain
how you will deal with those to develop their understanding.
Example from class: Patti’s problem
c) Write story problems for addition and subtraction of fractions.
d) Determine if a story problem involves addition and subtraction of fractions.
