These addition and subtraction fluency exit tickets are the perfect tool to help your students master CCSS 2.OA.B.2 in an engaging, differentiated, and low-prep way. With 45 exit tickets total, this resource gives your students repeated opportunities to build fluency within 20 using mental strategies like making a ten, doubles/near doubles, counting on, and decomposing numbers. Designed with Bloom’s Taxonomy in mind, these exit tickets are organized into three levels of thinking so you can