Extend children's understanding of adding up to two 4-digit numbers with this Year 4 Add up to Two 4-Digit Numbers (Practical) Reasoning and Problem Solving activity. It features six questions that involve working out missing digits to make the calculation correct and identifying errors within a calculation. The calculations involved in this worksheet all include children using 1 exchange.

It's perfect to use as part of your main teaching and helps develop children's reasoning and problem solving skills. Download and try it today!