Elementary Classity

Help your 2nd graders build a DEEP understanding of 3-digit addition using base 10 blocks with this ready-to-use small group lesson! This resource walks students through the concrete-to-representational-to-abstract (CRA) progression using the a proven framework and best practice — perfect for guided math groups, intervention, or re-teaching. PERFECT FOR: ✔️ Small group math instruction ✔️ Math intervention & RTI groups ✔️ Re-teaching after whole group ✔️ Sub plans (just pull it out!) ✔️ Math cen