GCSE Maths
GCSE Maths Substitution Exam Questions
Free GCSE Maths exam questions on Substitution, with full model answers. Covers substituting values into expressions and formulae.
Substitution 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 Substitution
Substitution is a Grade 3+ GCSE Maths topic, so it mostly comes up on Foundation 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
- Replace letters Write the number in brackets.
- Order Follow BIDMAS.
- Negatives Use brackets for negative values.
Common mistakes in Substitution
- Writing 3x as 32 when x = 2.
- Sign errors with negatives.
Try two Substitution exam-style questions
1. Find 4a − 2b when a = 3, b = −5. (1 mark)
Show the mark scheme answer
22
2. Find v = u + at when u = 5, a = 2, t = 6. (1 mark)
Show the mark scheme answer
17
Substitution FAQs
Which exam boards include Substitution?
These questions suit every major board: AQA, Edexcel, OCR, WJEC, Eduqas, CCEA, Cambridge IGCSE, Edexcel IGCSE and OxfordAQA IGCSE.
What grade is Substitution in GCSE Maths?
It is a Grade 3+ topic, so it mostly appears on Foundation tier papers.
How should I use these Substitution questions?
Answer every question without notes, then check each answer against the model answers and redo the ones you got wrong.
