The main thing to remember when rearranging equations is that whatever you do to one side of the equation you have to do to the other side too. The equals sign tells us that there is a balance between the two sides of the equation – the total on the left side must equal the…
Algebra is one of the most useful and beautiful tools in maths. It allows us to model relationships between variables and to figure out unknown quantities. In order to use algebra effectively we need to be able to change the subject a formula comfortably. The key to this process is remembering that any action we…
Have a go at these compound measures questions:
Remember to make use of your formula triangles for the following equations:
Speed = Distance/Time
Density = Mass/Volume
Pressure = Force/Area
Also take care where appropriate to do the necessary unit conversion.