Practice and Learn

1
Pairing and Grouping
Pairing and GroupingSheet
2
Draw a model
Draw a modelSheet
3
Guess and Check
Guess and CheckSheet
4
Make a List
Make a ListSheet
5
Look For Patterns
Look For PatternsSheet
6
Working Backwards
Working BackwardsSheet
7
Before and After
Before and AfterSheet
8
Simplifying
SimplifyingSheet