Lesson Plan
Crack the Addition Code Lesson Plan
Students will apply multi-digit addition with regrouping to decode and solve real-world addition puzzles, reinforcing step-by-step algorithms and mental strategies for accuracy and fluency.
Mastering addition with regrouping lays the groundwork for advanced computation and problem solving. Engaging puzzles boost confidence, support collaborative learning, and promote automaticity in calculations.
Audience
Time
Approach
Materials
Prep
Material Preparation
20 minutes
Step 1
Warm-Up and Strategy Review
5 minutes
Step 2
Introduce Puzzle Challenge
5 minutes
Step 3
Partner Puzzle Activity
15 minutes
Step 4
Exit Ticket and Reflection
5 minutes
Slide Deck
Crack the Addition Code
Lesson Objectives
Why Regrouping Matters
Regrouping Strategy Posters
Puzzle Challenge Rules
Example Puzzle Walkthrough
Partner Puzzle Activity
Exit Ticket
Reflection
Worksheet
Worksheet
Worksheet
Worksheet
Answer Key
