Logarithms Starters:Exponential Error: This lesson starter presents a number of statements about indices and pupils are asked if they can spot the mistake.
Small images of these Starters :: Index of Starters Logarithms Advanced Starters:Log Perfection: Determine whether the given statements containing logarithms are true or false Logarithm Equation: Solve an equation containing logarithms with different bases Product of Indices: Find the product of the unknown indices that feature in two equations
Curriculum for Logarithms:Years 12 and 13Pupils should be taught to know and use the definition of log_{a}x as the inverse of a^{x}, where a is positive, not equal to 1 and x ≥ 0.Know and use the function ln x and its graph. Know and use ln x as the inverse function of e^{x} more... Pupils should be taught to understand and use the laws of logarithms: Pupils should be taught to Solve equations of the form a^{x} = b more... Pupils should be taught to use logarithmic graphs to estimate parameters in relationships of the form y = ax^{n} and y = kb^{x}, given data for x and y more... Feedback:Comment recorded on the 19 November 'Starter of the Day' page by Lesley Sewell, Ysgol Aberconwy, Wales: "A Maths colleague introduced me to your web site and I love to use it. The questions are so varied I can use them with all of my classes, I even let year 13 have a go at some of them. 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Notes:Older teachers will remember their school days, before calculators were widely available, using logarithms to perform difficult multiplication and division calculations. Nowadays logarithms, or logs as they are more commonly known, are studied as part of an A Level and International Baccalaureate course and are seen as being useful for solving certain exponential equations. Basically a logarithm is the inverse function to exponentiation. Logarithms Activities:Indices True False: Arrange the given statements involving indices to show whether they are true or false. Logarithms: Selfmarking exercises on evaluating logarithms and using them to solve equations. Alternatively, for the more advanced student, there is an evergrowing collection of ExamStyle Questions with worked solutions on the topic of Logarithms. Logarithms Videos:Logarithms Introduction: A basic introduction to the concept of logarithms from the Khan Academy Log Tables: Logarithms and log tables  what Transum used before calculators! A Numberphile video. Logarithms External Links:Links to other websites containing resources for Logarithms are provided for those logged into 'Transum Mathematics'. Subscribing also opens up the opportunity for you to add your own links to this panel. You can sign up using one of the buttons below: SearchThe activity you are looking for may have been classified in a different way from the way you were expecting. You can search the whole of Transum Maths by using the box below.

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