What are positive and negative numbers?

Any number above zero is a positive number and any number below zero is a negative number. Learn about positive and negative numbers and number lines.

How to add and subtract positive and negative numbers

There are rules for adding and subtracting positive and negative numbers. Learn how to add and subtract positive and negative numbers.

How to multiply and divide positive and negative numbers

Multiplying and dividing two numbers with the same sign gives a positive answer and multiplying and dividing two numbers with different signs gives a negative answer.

1 Classroom video

We have a selection of great videos for use in the classroom