Year 3 Add 3 Digits and 100s
(9 resources) View scheme
Download Zip
What's included?
Dedicated Year 3 resources for adding 3-digit numbers and multiples of 100, applying mental calculation and place value strategies, a core KS2 Maths objective. Activities build conceptual understanding of how only the hundreds digit changes, promoting varied fluency and mental agility. This essential small step supports mastery of 3-digit arithmetic and is vital for meeting national curriculum expectations. The CS Maths Scheme provides structured Base 10 and pictorial practice.
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.
- WorksheetFluency MatrixMake learning more accessible by breaking down skills and concepts into smaller, more manageable steps.
- WorksheetDiscussion ProblemFun and engaging open-ended questions to encourage deeper thinking and collaborative working.
