24 x 21 = 42 x 12
This seemingly simple prompt leads to a rich task which students can explore in a variety of ways.
Lesson notes 1 contain a variety of supplementary questions and suggested methods of developing the mathematics associated with the prompt.
Lesson notes 2 suggest a more structured approach to using the prompt using headings of orientation, exploration, planning, solving, reflecting and evaluating.
Mathematical notes 1 explores the general case whilst Mathematical notes 2 considers the generation of algorithms to generate further cases accompanied by supporting material.
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- Lesson notes 1
- Lesson notes 2
- Mathematical notes 1
- Mathematical notes 2
- Algorithms to generate examples
- Algorithm Template