Year 4 Checking Strategies IWB Addition and Subtraction Activity

Step 10: Year 4 Checking Strategies IWB Addition and Subtraction Activity

This Year 4 Checking Strategies IWB Activity includes three questions designed to check pupils' understanding of inverse operations and how these can be used for checking purposes. Pupils will use inverse operations to establish correct calculations, solve an addition puzzle involving inverse operations and establish whether a statement is true or false from inverse operation exploration.

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National Curriculum Objectives

Mathematics Year 4: (4C2) Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate
Mathematics Year 4: (4C3) Estimate and use inverse operations to check answers to a calculation
Mathematics Year 4: (4C4) Solve addition and subtraction two-step problems in contexts, deciding which operations and methods to use and why

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