Second Grade Common Core Aligned - Operations and Algebraic Thinking 2.OA.1, 2.OA.2, 2.OA.3, 2.OA.4! Grade 2: addition, subtraction, word problems, odd and even numbers, arrays and repeated addition, and math fact fluency within 20. Grade 2 Distance and In Person Learning in Google Slides, PPT, and PDF files! Differentiated! Interactive! Independent! Prep Free! Ready to Use! Target for Grade Two.This mini bundle includes the following individual products:1. 2nd Grade Math Word Problems 2.OA.