Checking Strategies Video Tutorial

Teacher Specific Information

In this Checking Strategies Video Tutorial, Laura shows pupils how to use the inverse operation to check the answers of calculations. She uses key vocabulary including inverse, calculation and related facts.
This video will be useful for children to watch at home or for extra support as part of an intervention, or whole class activity.

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National Curriculum Objectives

Addition and Subtraction
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