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These are the Transum resources related to the statement: "Pupils should be taught to {estimate powers and roots of any given positive number}".

Here are some specific activities, investigations or visual aids we have picked out. Click anywhere in the grey area to access the resource.

• Estimate Powers and Roots Estimate the powers and roots of the given positive numbers.

Click on a topic below for suggested lesson starters, resources and activities from Transum.

• Indices Where do many fish live? Indices (in the seas!) This topic involves the use of the index, power or exponent. The concept is easily misunderstood and a surprisingly large number of pupils will evaluate 62 as 12 and not 36. After having mastered positive integer indices pupils should move on to negative indices and fractional indices. Exploring this topic in both numeric and algebraic ways will provide understanding and competence in this important concept.