Endorsed by Cambridge Assessment International Education to support the full curriculum framework from 2011. Consolidate learning, deepen conceptual understanding and develop problem solving skills through practice questions; ideal for independent learning, homework or extension activities. - Support and build on knowledge gained from the Learner's Book with practice exercises - Provide additional 'intelligent practice' through variation - Challenge learners to deepen and extend their understanding - Incorporate the principles of variation and intelligent practice in each activity