Differential equations are equations that contain derivatives. The equations are used in calculus to describe relationships among one or more variables. A solution to any series of equations can be ...

This is a whole lesson looking at Simultaneous Equations. The lesson looks at drawing linear graphs and using them to solve simultaneous equations. This lesson is ready to go, with no prep required.

Build confidence with linear graphs, gradient and functions using this comprehensive Year 9 / KS3 maths workbook. This resource includes clear explanations, worked examples, guided practice, ...