What you need to know
Check yourself against these “I can” statements.
- I can find a counter example to show a statement is false
Practise this topic
2 resourcesCounter-examples and Exhaustion: Exercise
Disproof by counter-example and proof by exhaustion: find a counter-example to a statement about integers (n² + n + 41 is prime, if n² is a multiple of 12 then so is n) or real numbers (complete the square to find where x² + 20x…
⬢ BlockbustersCounter-examples and Exhaustion: Exercise Blockbusters
Blockbusters with the questions from the Counter-examples and Exhaustion: Exercise worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the…
These are the pages for Counter-examples in the GCSE + AQA Level 2 Further Maths scheme of work, following Pearson Edexcel GCSE (9–1) Higher (1MA1), plus AQA Level 2 Further Mathematics (8365). Open this topic in Mr Wells Maths to see it alongside the rest of the course.