Let's add 12 and 12. Imagine you have 12 candies and then you get 12 more candies. Now, count all candies together: 12 + 12. We can add like this: 10 + 10 = 20 and 2 + 2 = 4. Then, 20 + 4 = 24. So, 12 + 12 = 24. You have 24 candies in total! 🍬