Promote a deeper understanding of one-step function machines as part of our algebra topic by downloading this Year 6 1-Step Function Machines Reasoning and Problem Solving worksheet. A great resource that contains a range of reasoning and problem solving questions based around finding inputs and outputs using the given criteria. Included in this worksheet is an answer page to help make marking easier. Use this activity as part of whole class teaching and is a great follow-on from our varied fluency worksheet.