Practice
Numerical
Mental arithmetic practice
Fast, exact arithmetic: percentages, fractions and multi-step sums. Speed comes from shortcuts, not from calculating faster.
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Work out the answer
What is 5% of 1020?
Pick an answer
The first 10 questions of each category are free.
Tips for Mental arithmetic
- Round, calculate, then correct: 49 × 6 = 50 × 6 − 6.
- 10% is easy — build other percentages from it (15% = 10% + 5%).
- Eliminate answers with the wrong last digit or the wrong size first.