Allow children to dive deeper into their subtraction knowledge with this engaging Year 1 Subtraction Finding the Difference Discussion Problem. We've created this ready-to-complete subtract to find the difference activity to give your class the opportunity to apply their subtracting within 20 skills.

This is an open-ended problem-solving resource that can be used multiple times due to the wide range of possible answers. We would recommend that this resource is used after our Varied Fluency and Reasoning and Problem Solving worksheets to ensure children have acquired the skills and knowledge needed to complete this resource. You could use this in a small group or in pairs as part of your main lesson, in your provision areas or as part of an intervention task. A modelled answer is provided to help children compare their own solutions with as a form or peer or self marking.