If you're looking for something fun and engaging to teach children how to convert between mm and cm, look no further! This Year 3 Equivalent Lengths Centimetres and Millimetres Discussion Problem is the perfect resource for doing just that. Presented with two questions based around real-life contexts, this resource allows children to discuss their ideas in groups, which helps to inspire different ways of thinking and helps to develop reasoning and problem solving skills. Download today to try it out!