This is a crow themed addition fact mental strategy clip strip activity, ideal for practicing or reviewing basic addition facts to 20 in first or second grade. There are 22 half-page size clip strips organized by nine addition fact strategies. There are at least 2 strips for each strategy. The strategies included are Add Zero, Count Up, Doubles, Doubles + 1, Make 10, Add 10, The 9 Rule, The 8 Rule, and Monkey in the Middle. Each strip has 8 facts, of which 4 to 6 can be solved by applying that s