Challenge children's understanding of representing 4-digit numbers with this Year 4 Represent Numbers up to 10,000 Discussion Problem. Designed to be used as an additional challenge, or to be solved as a small group, this activity is perfect for encouraging children to think differently to answer an open-ended question. This resource is ideal for using once your class have completed the wide range of varied fluency and problem solving activities we have to offer. We've included an example answer to guide pupils, however there are many different possible answers to this challenge.