What is substitution?

Substitution is when you replace one thing with another, just like swapping out your favorite toy for a new one during playtime.

Imagine you're building a tower with blocks. You start with a red block, but then you realize it's easier to use a blue block instead. So you take the red block out and put the blue one in its place. That’s substitution, you’re using a different block to do the same job.

Let’s say you're having snack time, and you have an apple. But then your friend offers you a cookie instead. You decide to swap out the apple for the cookie. Now you’re eating a cookie instead of an apple, that's substitution too!

It’s like when you choose between two options: one goes away, and the other takes its place. Whether it's blocks, snacks, or even words in a sentence, substitution is all about making a simple switch to make things work better for you. Substitution is when you replace one thing with another, just like swapping out your favorite toy for a new one during playtime.

Imagine you're building a tower with blocks. You start with a red block, but then you realize it's easier to use a blue block instead. So you take the red block out and put the blue one in its place. That’s substitution, you’re using a different block to do the same job.