Use this Year 1 Partitioning Tens and Ones within 100 Teaching PowerPoint to help children understand that every 2‑digit number is made up of tens and ones. Through clear visual representations and practical examples, children learn how to partition numbers into parts. The PPT includes part–whole models, Base 10 resources and varied number representations to build confidence and deepen understanding.

Step-by-step learning is broken up throughout the presentation by chances to practise and assess, and there is both a reasoning and a problem-solving question to finish.

The final slide provides links to our other materials for this step so you can easily plan and resource your lessons.

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This resource is designed to align to White Rose Maths version 3. Classroom Secrets Limited is not affiliated with, endorsed by, or in any way connected to White Rose Education Limited. Our products are original to Classroom Secrets Limited and any reference to White Rose Maths is solely for the purpose of indicating compatibility and does not imply any association with White Rose Education.