1.OA.1 Quiz for 1st Grade Math Google Slides:This quiz is aligned with Common Core Standard 1.OA.1: Addition and Subtraction Word Problems. Designed to make the classroom efficient and interactive, the quiz is presented as a Google Slides file, eliminating paper and planning. 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,