Revisit key addition strategies with this Year 3 Column Addition with Exchanges (Recap) Reasoning and Problem Solving worksheet. This resource supports children in applying their understanding of column addition with one or more exchanges through a range of engaging reasoning and problem-solving questions. Perfect for encouraging mathematical thinking, spotting errors, and explaining strategies, it's ideal for use in independent tasks, paired discussions, or small group work. Includes a modelled answer sheet to support self and peer-marking. Download now!