Three “Crack The Safe” activities on solving quadratics, one by factorising, one by completing the square and one by using the quadratic formula; each question (6 on each sheet) has three possible solutions. These allow students to self-check their answers from the possible solutions whilst the teacher can go and help those who require it. I use these for starters or plenaries or as the first task after introducing the topic.
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Brilliant!
Great many thanks for sharing
A favourite set of resources - a great use of this because with the optional choices students can try out the numbers to see if it works. A very nice approach, thanks for making my lessons more engaging.
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