Addition & Subtraction
Pupils continue to practise both mental methods and columnar addition and subtraction with increasingly large numbers to aid fluency (see Mathematics Appendix 1).
Outcomes
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Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate
Play Activities 391Examples
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Estimate and use inverse operations to check answers to a calculation
Examples
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Solve addition and subtraction two-step problems in contexts, deciding which operations and methods to use and why
Examples