👋 Introduction
Subtraction means taking away. When we subtract, the number gets smaller. Today, we’ll learn how to subtract numbers within 20 using blocks and number lines!
🧩 How To Do It
Example: 14 - 5
Step 1: Start with 14 blocks.
Step 2: Take away 5 blocks.
Step 3: Count how many are left = 9 ✅
🎮 Practice Time
Solve: 12 - 7 = ?