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On the SET 11+ Stage 1 paper, you have approximately 50 multiple-choice questions to answer in 45 minutes. That is less than a minute per question. Being able to calculate quickly in your head — without always reaching for a written method — is a huge advantage. This lesson teaches you the most effective mental maths strategies.
The Stage 1 paper is entirely multiple-choice. You do not need to show your working, so speed is key. If you can solve straightforward calculations mentally, you save time for the harder questions. On Stage 2, mental strategies help you check your written answers quickly.
Compensation means rounding one number to make the calculation easier, then adjusting.
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