2nd Grade Multi-Digit Addition Metacognition Lesson Plan: Math Fluency 🧠 ________________________________________ ⏰ Total Time:65 minutes ________________________________________ This Grade 2 multi-digit addition lesson plan actively builds math fluency by teaching students to think about their thinking. Through intentional strategy reflection, partner discussion, and hands-on tools, students strengthen accuracy, flexibility, and confidence while adding within 1,000—with and without regrouping