Year 3 What is Exchanging? (Addition)
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What's included?
Foundational Year 3 resources defining what is exchanging in addition (regrouping), introducing the underlying concept for column addition, a core KS2 Maths objective. Materials employ the CPA approach to establish conceptual understanding that 10 units in one column are equal to 1 unit in the next column (e.g., 10 ones = 1 ten). This initial small step is vital for developing column addition mastery and is required for national curriculum expectations. The CS Maths Scheme provides clear Base 10 visuals.
Full step description and curriculum objectives
Addition and Subtraction (within 1,000)
Independent Tasks
Activities that help pupils practise, apply and secure their understanding after the main teaching input.
Deeper Learning and Extension
Tasks that deepen understanding, promote discussion and stretch/extend pupils who are ready for greater challenge.
Block/Unit Resources
Materials that support and extend learning across the whole unit.
Resources at a glance
- WorksheetVaried FluencyConsolidate and secure understanding of key concepts with three fluency-based questions.
- WorksheetReasoning and Problem SolvingPromote mathematical reasoning and develop problem-solving skills with three different question types.
- WorksheetDiscussion ProblemFun and engaging open-ended questions to encourage deeper thinking and collaborative working.
