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These are the Transum resources related to the statement: "Pupils should be taught to perform mental calculations, including with mixed operations and large numbers".

Here are some specific activities, investigations or visual aids we have picked out. Click anywhere in the grey area to access the resource.

- Pyramid Puzzle Numbers in the bricks are found by adding the two bricks immediately below together. Can you achieve the given target?
- Times Tables A collection of activities to help you learn your times tables in only 5 days.
- Just In Time Every 10 seconds a new calculation appears on the screen: A dynamic visual aid.
- Numbasics A daily workout strengthening your ability to do the basic mathematical operations efficiently.
- Mental Strategies Practise your mental arithmetic skills and learn some new strategies with this self marking exercise.
- Partial Pyramids Calculate the missing numbers in these partly completed pyramid puzzles.
- One Minute Maths A challenge to mentally add numbers together without making the classic place value mistakes.
- Arithmagons Find the missing numbers in these triangular, self-checking puzzles and discover the wonders of these fascinating structures.
- Grid Arithmetic Fill in a multiplication grid with the answers to simple multiplication and division questions.
- If Then What? Deduce multiplication and division results from a related calculation.
- Beat The Clock It is a race against the clock to answer 30 mental arithmetic questions. There are nine levels to choose from.
- Quick Can you multiply a number by 1001 in your head? This exercise provides practice in this and other similar challenges.
- Eleven In Your Head Multiply numbers by eleven in your head.

Click on a topic below for suggested lesson Starters, resources and activities from Transum.

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