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<h3><span style="font-weight: bold;">Why do this problem?</span></h3>


<h3>Possible approach</h3>


<h3>Key questions</h3>


<h3>Possible extension</h3>


<h3>Possible support</h3>


<h3>The lesson could be steered to focus on one or more of these processes:</h3>

<div class="framework">
<br />
<div class="section">REPRESENTING
<br />
<div class="subsection">Identify the mathematical aspects of a
situation or problem 
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</div>
<br />
<div class="subsection">Choose between representations
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</div>
<br />
<div class="subsection">Simplify the situation or problem in order to represent it mathematically, using appropriate variables, symbols, diagrams and models
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</div>
<br />
<div class="subsection">Select mathematical information, methods and tools to use
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</div>
</div>

<br />
<div class="section">ANALYSING: Use mathematical reasoning
<br />
<div class="subsection">Make connections within mathematics
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</div>
<br />
<div class="subsection">Use knowledge of related problems
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</div>
<br />
<div class="subsection">Visualise and work with dynamic images
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</div>
<br />
<div class="subsection">Identify and classify patterns
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</div>
<br />
<div class="subsection">Make and begin to justify conjectures and generalisations, considering special cases and counter-examples
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</div>
<br />
<div class="subsection">Explore the effects of varying values and look for invariance and covariance
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</div>
<br />
<div class="subsection">Take account of feedback and learn from mistakes
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</div>
<br />
<div class="subsection">Work logically towards results and solutions, recognising the impact of constraints and assumptions
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</div>
<div class="subsection">Appreciate that there are a number of different techniques that can be used to analyse a situation
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</div>
<div class="subsection">Reason inductively and deduce
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</div>
</div>

<br />
<div class="section">ANALYSING: Use appropriate mathematical
procedures
<br />
<div class="subsection">Make accurate mathematical diagrams, graphs and constructions on paper and on screen
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</div>
<br />
<div class="subsection">Calculate accurately, selecting mental methods or calculating devices as appropriate
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</div>
<br />
<div class="subsection">Manipulate numbers, algebraic expressions and equations and apply routine algorithms
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</div>
<br />
<div class="subsection">Use accurate notation, including correct syntax when using ICT
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</div>
<br />
<div class="subsection">Record methods, solutions and conclusions
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</div>
<br />
<div class="subsection">Estimate, approximate and check working
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</div>
</div>

<br />
<div class="section">INTERPRETING AND EVALUATING:
<br />
<div class="subsection">Form convincing arguments based on findings and make general statements
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</div>
<br />
<div class="subsection">Consider the assumptions made and the appropriateness and accuracy of results and conclusions
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</div>
<br />
<div class="subsection">Be aware of the strength of empirical evidence and appreciate the difference between evidence and proof
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</div>
<br />
<div class="subsection">Look at data to find patterns and exceptions
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</div>
<br />
<div class="subsection">Relate findings to the original context, identifying whether they support or refute conjectures
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</div>
<br />
<div class="subsection">Engage with someone else’s mathematical reasoning in the context of a problem or particular situation
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</div>
<br />
<div class="subsection">Consider the effectiveness of alternative strategies
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</div>
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<br />
<div class="section">COMMUNICATING AND REFLECTING
<br />
<div class="subsection">Communicate findings effectively
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</div>
<br />
<div class="subsection">Engage in mathematical discussion of results
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</div>
<br />
<div class="subsection">Consider the elegance and efficiency of alternative solutions
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</div>
<br />
<div class="subsection">Look for equivalence in relation to both the different approaches to the problem and different problems with similar structures
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</div>
<br />
<div class="subsection">Make connections between the current situation and outcomes, and situations and outcomes they have already encountered
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