Functions and Formulae | OCR GCSE Maths Higher | 40 Worked Examples (J560)

Functions and formulae for OCR GCSE (9-1) Mathematics Higher tier (J560). 40 exam-style questions with fully worked, mark-scheme-annotated solutions covering: reading function machines (input to output), forming formulae and expressions from real-world contexts, substituting positive and negative numbers into formulae including powers and roots, and changing the subject of a formula (subject appearing once, appearing twice with factorising, under a square root, as a reciprocal, and inside algebraic fractions). Built the OCR way: functions are handled as machines with inverse and composite meaning reverse the machine and chain two machines, so the pack uses no function notation at all, exactly as the OCR spec requires. Includes the SUVAT kinematics equations, which OCR candidates must recall from memory because OCR gives no formula sheet in the exam. Progressive Easy to Challenging difficulty. Every working line is annotated, with OCR M/A/B marks folded in on the real mark-scheme lines and no Edexcel-style process mark. Calibrated against OCR J560 past papers and mark schemes, not ported from another board. Ideal for revision, homework, and 1-1 tuition.