Grouping formulae by changing the subject
Thirty-two cards with eight different formulae, given with four different subjects. Students must rearrange the formulae to organise them into eight groups of four equivalent formulae, each with a different subject.
Formulae include fractions, quadratic terms and roots.
Extend the activity by omitting some cards or check answers by substituting values.
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Review this resource'@Vicky - surely the square root would inherently have a positive and negative solution? Writing the positive and negative square root almost masks this fact.
14/01/2020
It would also be very useful to number or label each card, to allow for easier checking of answers
13/10/2017
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.
13/10/2017
Perfect extension for those that have understood this topic well in class
06/09/2016
