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These are the Transum resources related to the statement: "Pupils should be taught to add and subtract whole numbers with more than 4 digits, including using formal written methods (columnar addition and subtraction)".

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

- Basic Addition A self-marking exercise on addition with increasing levels of difficulty.
- Basic Subtraction A self-marking exercise on subtraction with increasing levels of difficulty.
- Cosmic Redshift Investigate the number found by performing an algorithm on a three digit number.
- Nine Nine Nine Use the digits 1 to 9 to make three 3 digit numbers which add up to 999.
- Number Skills Inventory A checklist of basic numeracy techniques that every pupil should know.
- Suko Sujiko Interactive number-based logic puzzles similar to those featuring in daily newspapers.
- Triplets Find as many sets of three of the available numbers as possible which add up to the given total.

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

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