Watch: What is a number line? A number line can be used to add and subtract. Watch the video to learn what a number line is, and how to use it! A number line is a great way to add and subtract.

Bullish (Video) Coronet Film: Elementary Math - Addition, Subtraction & Number Line Posted: February 25, 2025 | Last updated: February 25, 2025 Explains the concept of zero in mathematics ...