Are you looking to challenge your class and encourage discussion and group work? Our Year 3 Add and Subtract 100s Discussion Problem resource is just what you need! This worksheet consists of two in-depth problem-solving questions where children can test and apply their knowledge. Each question has various outcomes, so it can be used time and time again, which is always an added bonus in a busy classroom.

Perfect for small group work or as a paired activity. It can be used in class, as part of an intervention group, or for competent mathematicians as a homework task. We've provided an example answer so that children can compare their outcomes with it, or use this as a teaching tool to address misconceptions; the choice is yours!