Coronet Film: Elementary Math - Addition, Subtraction & Number Line Posted: February 25, 2025 | Last updated: March 19, 2025 Explains the concept of zero in mathematics, emphasizing its role as a ...

Subtraction is taking away one number from ... For example, what is the difference between 10 and 7? Let's use a number line to help. Start with the smaller number and then count on.