Sophie Goldie 
Cambridge Checkpoint Lower Secondary Mathematics Revision Guide for the Secondary 1 Test 2nd edition 

Achieve maximum potential using step-by-step guidance that helps to practise skills learned and improve exam technique. – Build confidence with practical study tips and effective revision strategies.- Reinforce understanding with clear explanations of every topic covered in the Cambridge Lower Secondary Checkpoint Mathematics curriculum framework: Number, Algebra, Geometry and Measure, Statistics and Probability. – Strengthen and test knowledge with a range of exercises, worked examples and Thinking and Working Mathematically questions.- Answers included