This file contains "common addition and subtraction situations" for CCSS 1.OA.1. There are 2 word problems for each of the 15 different situations, and 3 word problems for 1.OA.2. Each page includes work space for students to Retell, Illustrate, Calculate, and Explain the word problem and its solution.
CCSS 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.
CCSS.Math.Content.1.OA.A.2 Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.