1. © Nuffield Foundation 2012 Free-Standing Mathematics Activity Factor cards: quadratic expressions

2. © Nuffield Foundation 2012 …calculating safe stopping distances for cars image: www.freeimages.co.uk Examples of the uses of quadratic expressions include...

3. © Nuffield Foundation 2012 … design and production of mobile phones

4. © Nuffield Foundation 2012 … designing aircraft so they fly

5. © Nuffield Foundation 2012 Think about What methods do you know for expanding brackets? How do you know whether an expression will factorise into one bracket or two? When factorising, what is the significance of a term in the expression being positive or negative?

6. © Nuffield Foundation 2012 Reflect on your work Write down your three top tips for overcoming these challenges next time you meet quadratic expressions. What did you find most challenging about this activity? Share your ideas with a partner, a small group or the class.