Skip to content
Skip to main content

About this free course

Download this course

Share this free course

Numbers, units and arithmetic
Numbers, units and arithmetic

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.

1.3 Number lines

It is often useful in mathematics to think of numbers stretched out along the imaginary number line. The diagram below shows part of the number line.

Active content not displayed. This content requires JavaScript to be enabled.
Interactive feature not available in single page view (see it in standard view).

As you move to the right along the number line, the numbers increase.

This concept will be useful for picturing other numbers, as well as whole numbers.