If you think your class would benefit from some additional practice when it comes to answering comparison, sum and difference questions, and are looking for an activity that works just as well at home as at school, check out this Year 4 Comparison, Sum and Difference extension resource!
Differentiated three ways, with two varied fluency questions and one reasoning question at each level, this resource is designed to reinforce your class's learning and be flexible for them and you. It also comes with a useful answer sheet, to save you time!