➕➖ Adding and Subtracting Within 100 | Interactive Math PowerPoint Lesson (1st–2nd Grade)Make math fun, clear, and engaging with this interactive Adding and Subtracting Within 100 PowerPoint lesson! This resource helps students build confidence in solving 2-digit addition and subtraction problems using place value, number lines, carrying, and borrowing strategies. Perfect for whole group instruction, small group intervention, math centers, and special education support! 📄 What’s Included: Inte