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Centre for Research in Mathematics Education (CRME)
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Estimating length using scientific notation
This lesson develops the concepts of estimating the lengths of everyday objects, and converting between decimal and scientific notation.
An introductory activity looks at converting between decimal and scientific notation.
The main activity involves a collaborative exercise centred around picture cards of different objects. There are cards showing lengths in both decimal and scientific notation. Each picture card must be matched in a set of three with a decimal card and a scientific notation card. The next task is to use arrows with multiplications to pair together picture cards.
There are pre-lesson and post-lesson formative assessment tasks. Detailed teacher notes give suggestions on questioning and how to use the resources. Full solutions are given for each of the sections.
This is a concept development lesson from the Mathematics Assessment Resource Service, a collaboration between UC Berkeley and the Shell Centre team at the University of Nottingham. Further information on the collection is given here.
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