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Discuss example graph for the house. Draw attention to sclaes and units. Identify key features and discuss possible reasons for this. Model how this should be ...
Analysing Energy Data Lesson Context Sheet: Topic Using and Applying Mathematics Where does the lesson fit into the topic? This is a standalone lesson focusing on the skills of graph analysis and contextulising within real world situations. It would fit in well with data handling lessons on interpreting frequency diagrams. What are the learning objectives of the lesson? Be able to analyse a graph and relate the key features to real world events Outcomes:  Students will be able to identify key features of the graph  Students should be able to identify possible reasons for the features  Students could be able to calculate monetary values for the energy  Students could suggest improvements to save money Brief outline of the planned activities Opening activity: What would you spend £500 on? What could school spend £500 on? Think Pair Share discussion

Timing

Pupil Grouping

2 min

Individual/ pair/class

3 min

Class

Discuss example graph for the house. Draw attention to sclaes and units. Identify key features and discuss possible reasons for this. Model how this should be recorded on the worksheet in the example box.

5 min

Class

Complete carousel activity where groups consider all 4 graphs and record their thoughts on the worksheet

20 min

Group

Feedback on students thoughts and ideas for each of the 4 graphs.

10 min

Class

10 min

Class

Main Activities: Introduction of kilowatt hours units.  Discuss the meaning of ‘per’ used in units and reflect what this means in application  Define a kilowatt hour and link a monetary value to it

Review and Closing Activities Consider how their suggestions would convert to a monetary value.  Approximate number of kilowatt hours saved from the graph  Multiply this by 10p  Multiply by the number of days in school and the number of different buildings  Link back to starter ideas of what this money could be spent on. Reflect on how the students have met the learning outcomes.

Differentiation:  Students to be arranged in differentiated groups  Key words displayed on board during writing task  Worksheet provides writing frame to support weaker students in capturing ideas

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