-Switching between improper fractions and mixed numbers -Simplifying fractions -Equivalent fractions -Addition/Subtraction of fractions with common/uncommon denominators -Addition/Subtraction of mixed numbers (w/uncommon denominators) ***The subtraction will have some regrouping (borrowing) as well. -Sequencing, or finding patterns, for a group of fractions -Working backwards to solve a problem with fractions -Using properties to help add/subtract fractions