Help your 2nd graders master addition and subtraction with this 68-page guided notes resource designed using the Gradual Release Model (I Do → We Do → You Do) and the Concrete-Representational-Abstract (CRA) approach. Students build skills step-by-step using number bonds, base-ten blocks, expanded form, standard algorithms, and word problems. Skills Included: 2-digit by 1-digit and 2-digit by 2-digit addition (Intro Pages if Needed) 3-digit addition with and without regrouping Addition word problems using the KNOW Strategy 2-digit and 3-digit subtraction using expanded form 3-digit subtraction with and without regrouping Subtraction with regrouping using base-ten blocks and standard algorithm Subtraction word problems using the KNOW Strategy Every page includes:✔ Learning Target✔ Math Vocabulary✔ Guided Practice✔ Clear visual models and examples Perfect for whole-group lessons, small groups, intervention, interactive notebooks, or math centers!