🧠 Looking for a fresh alternative to worksheets and flashcards? Say hello to our Double-Digit Addition Card Sort — a colorful, collaborative activity that turns math practice into a game!

Addition is a foundational skill, and this activity helps students build confidence with simple double-digit problems using strategies like regrouping, base-10, or the standard algorithm. Whether you're reinforcing a recent lesson or adding a fun twist to your math centers, this card sort brings energy and teamwork to your classroom!

🎯 Learning Objective

Students will work in small groups (2–4 per team) to strengthen their understanding of double-digit addition through discussion, problem-solving, and peer support.

🃏 Activity Overview

Each group receives a set of equation cards — think “12 + 14” — and a sorting mat with answer columns (e.g., 26, 32, 48, 50, 60). Their mission? Solve each equation together and place it under the correct sum!

Students use notebooks or whiteboards to work through each problem collaboratively. Once everyone agrees on the answer, they place the card in the matching column. After sorting all 16 cards, they check their work using the included answer key.

This activity encourages:

• 🤝 Teamwork & peer teaching
• 🧩 Critical thinking
• ✍️ Hands-on problem solving
• ✅ Self-checking for accuracy

📦 What’s Included

• 16 double-digit addition problem cards
• Sorting mat (answer sheet) with answer columns
• Answer key for easy self-checking
• Teacher tips for setup and group management

💡 Pro Tip: Print the cards on colored paper for extra flair and easy group sorting.

Laminate for durability and reuse year after year!

Ready to make math time more magical? This card sort is your ticket to engaged learners and joyful math practice!

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