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Published: 28/03/2013
2 pages

Grouping formulae by changing the subject

Group the cards by finding the four arrangements of each formula. There are eight in total, including fractions and square roots! Extend the activity by omitting different cards or use the formulae to practice substitution.    

See other resources: Algebra | Formulae and substitution

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@Vicky - surely the square root would inherently have a positive and negative solution? Writing the positive and negative square root almost masks this fact.
Posted on 14th January 2020
It would also be very useful to number or label each card, to allow for easier checking of answers
Posted on 13th October 2017
This is a great task to use at the end of teaching of this topic, but when square rooting, the answers should include the positive and negative square roots. Students would lose marks for only showing one solution.
Posted on 13th October 2017
Trish Bryant
Trish Bryant
Perfect extension for those that have understood this topic well in class
Posted on 6th September 2016

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