Fully supports the National Curriculum. This entertaining software is designed to make revising Maths GCSE Key Stage 4 fun and effective. You can print off graded certificates of achievement as well as itemised reports which shows if you are attaining required targets for passing your exams. Ages 14-16. • Numbers • Algebra • Graphs • Transformations • Sequences • Angles • Shapes • Statistics • Pie Charts • Probability & Ratios.