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Cambridge IGCSE Additional Mathematics

6.2Laws of logarithms

Laws of logarithms in Cambridge IGCSE Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic20 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.2Know and use the laws of logarithms, including change of base.

Lessons

  • Logarithms and the laws of logarithms

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Laws of logarithms: sample question

1 mark

Without using a calculator, find the value of log⁡61216\log_6 \dfrac{1}{216}.

Only if the answer has a unit, e.g. cm or km/h.

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