Challenge pupils' understanding of one more or one less with this Year 1 1 More, 1 Less within 50 Reasoning and Problem Solving resource.

To meet the needs of your class, this resource is differentiated to three levels of challenge and supports pupils with a variety of representations, including ten frames and number lines.

With six questions, complete with answers for immediate feedback, this resource is ideal for use in class or at home and is designed to give pupils the chance to apply what they have learned about finding one more or one less, ultimately deepening their understanding and building confidence.