Inspire curiosity and challenge children's understanding of decimals with this Year 5 Subtracting Decimals within 1 Discussion Problem. This resource includes two in-depth problem-solving questions that will test children's knowledge and encourage mathematical discussions. Children can tackle these questions in a number of ways such as trial and error or in a methodical way.

This resource is great for paired or small group work. They could complete this at the end of the lesson when their knowledge is secure, or open up the discussion by displaying one of the questions on the screen for the whole class to discuss. An example answer is included for children to compare their outcomes with. Alternatively, you could display the answer and ask children to find the other solutions.