Are you looking to recap children's understanding of making a whole? This Year 5 Complements to 1 prior learning activity will be ideal! This resource uses visual representations and contextualised scenarios through a range of varied fluency, reasoning and problem solving questions, all in order to revise children's knowledge of making a whole. It's a great way to assess their understanding before moving on to learning all about complements to 1. In addition to a clear and engaging resource, we've provided the answer sheet for children to self or peer mark.