ambridge International Primary and Lower Secondary Curriculum Frameworks. Whether they are working with a partner to make 3D shapes using cubes or sorting data using a Carroll diagram, Cambridge Primary Mathematics helps your learners develop their mathematical thinking skills. They'll be fully supported with worked examples and plenty of practice exercises, while projects throughout the book provide opportunities for deeper investigation of mathematical concepts - including developing comparison skills and working out proportions using drinks. With key word boxes, clear diagrams and supporting illustrations, the course makes maths accessible for second language learners.