Paintbrushes and Pushups

30 Worksheets covering Common Core Standard 1.oa.1 -Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.- This collection of worksheets contains: 1 interactive math notebook entry idea - addition and subtraction clue words 4 addition worksheets