Times tables
How to solve: Know your tables up to 12 × 12 by heart, and use them backwards for division: 56 ÷ 7 is "what times 7 makes 56?"
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Free 11+ Mental Maths questions
Ten free mental maths questions at the level you choose. Type the answer, check it, and see a quick method for every question.
Mixed mental maths · 10 questions
Making your questions…
Mental maths question types
Read the tip, then practise ten of just that type.
Adding and taking away
How to solve: Split numbers into tens and ones, or count up from the smaller number to the bigger one to find a difference.
Fractions and percentages
How to solve: To find a fraction of a number, divide by the bottom number, then multiply by the top. 10% means divide by 10.
Place value and decimals
How to solve: Multiplying by 10 or 100 moves every digit one or two places to the left; dividing moves them to the right.
Number facts
How to solve: Learn doubles, halves and square numbers, and do × and ÷ before + and − in a calculation.
Money and measures
How to solve: Know the key facts: 100p in £1, 100 cm in 1 m, 1000 g in 1 kg, 60 minutes in an hour. Change everything into the same unit first.
About Mental Maths in the 11+
Quick, accurate mental maths underpins the whole 11+ maths paper: times tables, adding and subtracting, fractions, place value and money all come up again and again inside longer questions.
Practise a little and often. If an answer is wrong, read the method, then try a new set at the same level before moving up.
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