Rearranging the formula for the circumference of a circle makes the radius the subject. Start with the new subject and write out the function machine for the formula, showing each operation step by ...

Mathematics education today is built around a singular metric: marks. For decades, this model has served as the backbone of academic success, teaching students that the number on their report card ...

Quite often in mathematics we want to change which letter is the subject of the formula, the method for doing this is very similar to how we solve equations. We need to isolate \({t}\) so that it is ...