Children can apply their knowledge of adding numbers with up to 4 digits with this Year 4 Add Two 4-Digit Numbers (One Exchange) Reasoning and Problem Solving resource. With three levels of differentiation, it caters to the needs of a range of learners. A variety of representations are used to support understanding, including place value counters, pictorial representations and abstract methods.

This resource could be used independently or in small groups as a follow-on activity after the varied fluency worksheet. The answers are included so that there is the opportunity for either self or peer-marking.