Offering the information you need to implement effective lessons, this title provides practical support for the three-part lesson, including mental starters. Objectives and useful resources are identified at the start so that you can plan ahead. Common misconceptions are highlighted so that you can help students overcome difficulties.Extension questions: agt; Questions 1-3: approximately Level 6 Key Stage 3 style questions. ... d 17.5% of $563.98 c The $ to Ap exchange rate if $6.36 = Ap4.20 f The annual percentage increase if a house value rises from Ap160 000 to Ap195 000 in one year. ... Revision Students should work through Rl in the 6-8 Revision Book.