This is a lovely resource for a one-off lesson on using the Butterfly Method to add and subtract fractions. In this resource you will find: a detailed lesson plan, a 17 page flipchart (PowerPoint, ActivInspire and PDF formats) for whole class teaching, a beautiful animation demonstrating the process, a worksheet and challenge activity + answers. BONUS RESOURCES: A random worksheet generator (for consolidation, revision, early-bird or homework) AND three beautifully designed posters to display in