**Problem:** $15 - 6 = ?$ **Start with 15 apples:** 🍎 🍎 🍎 🍎 🍎 🍎 🍎 🍎 🍎 🍎 🍎 🍎 🍎 🍎 🍎 ➖ **Take away 6 apples:** ~~🍎 🍎 🍎~~ ~~🍎 🍎 🍎~~ **What's left:** 🍎 🍎 🍎 🍎 🍎 🍎 🍎 🍎 🍎 ✨ **You have 9 apples left!** **Math:** $$15 - 6 = 9$$