The sheets align with Common Core State standard 2.NBT.B.5. These practice sheets are aligned with Eureka and Engage NY Grade 2 Module 3. Your purchase includes 5 practice worksheets to help students improve on using the arrow way to solve addition and subtraction problems within 100. One addition page practices the arrow way without composing a ten while the other has students compose tens. Likewise, one of the subtraction sheets has students solve problems by decomposing a ten while the other page does not. This would be a great way to differentiate instruction for your learners! These are perfect for morning work or intervention time! Many of the worksheets include an application problem that requires students to explain how they solved their problem. These worksheets are great practice to develop your students' addition and subtraction skills!