Common Sequences Mistakes GCSE Maths
Sequences can feel straightforward, but many GCSE students lose marks through rushed pattern spotting and small arithmetic mistakes.
Mistakes to Avoid
- Only checking the first gap
- Confusing term number with term value
- Using the first term as the coefficient of n
- Not checking the nth term formula
Exam tip: Test your nth term rule on at least two terms from the sequence.
Common mistake: Students often find a rule that works for one term but not the whole sequence.
Video explanation
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