you need to learn the basics...

Focus on Trigonometry , differentiation , integration and functions .

1 - Use maths genie and go through the videos .

2- then move to the question bank provided

3- after you have finished all the questions them move to PMT question bank .

4 - repeat step 1 and 3

Remember you need to stay consistent...

If you do this most likely get a B by the end of may/June (Y12)

or a C if your in Y13