. Addition Addition is the process of adding things or numbers together. Example: • “If we have 2 apples and a friend gives us 3 more, how many apples do we have now?” Answer: 2 + 3 = 5 How to teach children: • Use real objects, such as ping pong balls, pencils, or toys, to help children understand the addition of numbers. • Draw pictures or use tools, such as number blocks or number lines. • Teach related vocabulary, such as “add”, “add”. 2. Subtraction Subtraction is the process of removing on