Adding is like putting together pieces of a puzzle. Each piece is a number, and when you fit them together, you get a bigger picture, which is a bigger number. Think of it as building a tower with blocks. Each block you add makes the tower taller. The more blocks you stack, the taller the tower becomes, just like how adding numbers makes the total bigger.
Another way to think about adding is like collecting treasures. Imagine you have a small box and you find shiny stones. Each stone you put in the box is like adding a number. The more stones you collect, the heavier and fuller your box becomes. This is just like how adding numbers makes the total amount larger.
Adding can also be like sharing candies with friends. If you have 3 candies and your friend gives you 2 more, you put them together and now you have 5 candies. Adding helps you find out how many candies you have in total, which is important when you want to share or save them for later.