Calculating with negative numbers

KS3 Maths: How to add and subtract positive and negative numbers

Negatives Addition and Subtraction Textbook Exercise – Corbettmaths

Negative Numbers

Structure of Negative Calculations – Starting Points Maths

How to work with Positive and Negative Numbers

The Rules of Using Positive and Negative Integers

Negative Numbers

How to Convert Positive Values to Negative Values in Excel

Describing Quantities Having Opposite Directions or Values as

Negative Numbers (Year 6)

KS3/KS4 Maths: Negative Numbers

Algebra Topics: Negative Numbers