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# Topic 14 Year 9 Mathematics

 Mathematics Topic Indices and Standard form No of lessons 12 When is it happening Term 3 What will students learn Understand when numbers with the same base are multiplied, the indices are added e.g. 2  4 × 2   3 = (2 × 2 × 2 × 2) × (2 × 2 × 2) = 2 7 – Be able to rewrite an expression from the form ð‘Ž  ð‘› into the form ð‘Ž ð‘ × ð‘Ž ð‘ž – Be able to simplify products of expressions with the same base Key Knowledge that students should know at the end of 'Topic' This is the knowledge that students will meet for the first time in this topic Understand when numbers with the same base are multiplied, the indices are added e.g. 2 4 × 2 3 = (2 × 2 × 2 × 2) × (2 × 2 × 2) = 2 7 – Be able to rewrite an expression from the form ð‘Ž ð‘› into the form ð‘Ž ð‘ × ð‘Ž ð‘ž – Be able to simplify products of expressions with the same base This is knowledge that students may have met before but will need to deepen their understanding Understand when numbers with the same base are multiplied, the indices are added e.g. 2 4 × 2 3 = (2 × 2 × 2 × 2) × (2 × 2 × 2) = 2 7 – Be able to rewrite an expression from the form ð‘Ž ð‘› into the form ð‘Ž ð‘ × ð‘Ž ð‘ž – Be able to simplify products of exp Key Skills that students should be able to demonstrate at the end of 'Topic' This is the skills  that students will meet for the first time in this topic Rules of Indices This is skills that students may have met before but will need to develop Converting ordinary numbers into Standard form Key vocabulary that students should know and understand The Big Question Can you state the 5 rules of Indices? Key questions that students should be able to answer at the end of the 'Topic' calculate 5^-1 Simplify these index calculations? Write 345 in standard form? Write 5.2 x 10^-3 as a ordinary number?