This set of morning work problems cover first grade Addition and Subtraction for Numbers to 20, and is divided into three parts. The first part introduces number sense, place value, addition and subtraction skills for numbers to 10. The second part focuses on addition and subtraction for numbers to 20. Along the way, students practice concepts such as making tens, adding tens and ones, derived facts doubles, missing addends, decomposing to 10 and more. The third part introduces word problems for