GCSE Maths
GCSE Maths Changing the Subject of a Formula Exam Questions
Free GCSE Maths exam questions on Changing the Subject of a Formula, with full model answers. Covers rearranging formulae.
Changing the Subject of a Formula exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
About GCSE Maths Changing the Subject of a Formula
Changing the Subject of a Formula is a Grade 5+ GCSE Maths topic, so it mostly comes up on Foundation and Higher tier papers. These questions suit every major board: AQA, Edexcel, OCR, WJEC, Eduqas, CCEA, Cambridge IGCSE, Edexcel IGCSE and OxfordAQA IGCSE. Work through the pack without notes, then mark every answer against the model answers and redo any you got wrong a few days later.
What you need to know
- Inverse operations Undo in reverse order.
- Both sides Do the same to both sides.
- Powers Square roots undo squares.
Common mistakes in Changing the Subject of a Formula
- Moving terms without changing the operation.
- Only dividing part of one side.
Try two Changing the Subject of a Formula exam-style questions
1. Make x the subject of y = 3x − 5. (2 marks)
Show the mark scheme answer
x = (y + 5)/3
2. Make r the subject of A = πr². (2 marks)
Show the mark scheme answer
r = √(A/π)
Changing the Subject of a Formula FAQs
Which exam boards include Changing the Subject of a Formula?
These questions suit every major board: AQA, Edexcel, OCR, WJEC, Eduqas, CCEA, Cambridge IGCSE, Edexcel IGCSE and OxfordAQA IGCSE.
What grade is Changing the Subject of a Formula in GCSE Maths?
It is a Grade 5+ topic, so it mostly appears on Foundation and Higher tier papers.
How should I use these Changing the Subject of a Formula questions?
Answer every question without notes, then check each answer against the model answers and redo the ones you got wrong.
