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 ...

In kindergarten, children focus on learning numbers and what they represent, as well as basic addition and subtraction. Updated Oct. 14, 2021, 9:50 AM EDT Parent Toolkit Staff ...