A GCSE Maths video about adding and subtracting with negative numbers. The video shows how to use a number line and how to work out the answer by using number discs. Find out more about GCSE Maths ...

In this KS2 Maths article you’ll learn about negative numbers and how to place them on number lines. We also have KS2 Maths videos, a quiz and lots of examples.

If you take all the terms and do the math, you get a number (called the sum). For example, 1+2+3+4+5=15. You can carry that out to a million terms, and you’ll get a much larger number.