# Vectors as real numbers

- Author:
- Kenneth Wright

- Topic:
- Numbers, Real Numbers, Vectors

What is a number line? It is a way to make give all numbers a position from left to right. But we may also assign numbers to shifts along that line, as a directed length of the arrow. Compare the length and direction of the arrow to the position of the solid dot. What do you notice? How might this idea help you think about adding numbers?