➕➖ 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:

• Interactive PowerPoint lesson
• Step-by-step teaching for addition and subtraction within 100
• Place value review (tens and ones)
• Carrying and borrowing examples
• Number line strategy practice
• Independent practice problems
• Quiz slides for student review
• Common mistakes and teacher tips section

🧠 Skills Covered:

• 2-digit addition within 100
• 2-digit subtraction within 100
• Place value understanding (tens and ones)
• Carrying over in addition
• Borrowing in subtraction
• Number line strategies
• Math problem-solving confidence

✨ What Students Will Learn:

Students will learn how to:

• Add numbers by starting with the ones place first
• Carry over when the ones total is greater than 9
• Subtract by working with ones first, then tens
• Borrow correctly when needed
• Use number lines to solve problems
• Avoid common mistakes like mixing up tens and ones

Examples included like:
47 + 25 = 72
58 - 23 = 35
with clear visuals and guided explanations throughout the lesson

💡 Why Teachers Love This Resource:

• ✅ No prep—just open and teach
• ✅ Perfect for visual learners
• ✅ Supports struggling math students and SPED learners
• ✅ Great for reteaching and intervention
• ✅ Student-friendly explanations with engaging visuals
• ✅ Includes practice + quiz slides for mastery checks

🎯 Perfect For:

• 1st Grade
• 2nd Grade
• Special Education Math Support
• RTI/MTSS Tier 2 Intervention
• Small Group Instruction
• Math Centers
• Homeschool Learning

🖥️ How to Use:

• Introduce addition and subtraction strategies during whole group
• Use guided practice slides for class participation
• Reinforce during small group math intervention
• Assign independent practice after instruction
• Use quiz slides for exit tickets or review

🌟 Bonus Tip:

This lesson works GREAT before math assessments because it reviews strategies, common mistakes, and confidence-building practice all in one resource!