Topic: Addition of Numbers up to 20

Imagine you have 3 apples.
Your friend gives you 2 more apples.
How many apples do you have now?

First, count the apples you already have: 1, 2, 3.
Then, add the apples your friend gave you. 1, 2.

Now, count all the apples together: 1, 2, 3, 4, 5.
So, 3 plus 2 equals 5!
We call this an addition sentence.
Addition sign is also called the plus sign.

+

=