Representing Integers on the Number Line
Learn how to visualize positive and negative numbers on a coordinate line!
What is a Number Line?
A number line (числовая прямая) is a straight line with marked points that represent numbers.
- Extends infinitely in both directions
- Arrow shows direction of increasing values
- Every point corresponds to a unique number
Interactive visualization — available in the full lesson
Parts of the Number Line
Origin (Начало координат)
The point marked 0 (zero)
This is our reference point!
Unit Segment (Единичный отрезок)
The distance between consecutive integers
Must be equal throughout!
Directions
→ Right = Positive
← Left = Negative
Interactive visualization — available in the full lesson