Need a quick addition word problems center or activity? This no prep second grade math freebie is a heavily differentiated way to teach, practice, and review how to solve addition word problems within 100 — a fantastic extension to Common Core standard 2.OA.A.1. Skills covered:• One-step addition word problems • Simple equations Supreme flexibility:These free math worksheets are flexible for many uses — including classwork, homework, math centers, stations, small group activities, morning wor