Using a real-world context (packaging for chocolates), students need to work out which design will use least material and will be most economical. By calculating the unit cost of packaging, students then work out how great the savings will be, for a planned production level.
Please note: the cost of the material is 0.45 of a penny per square cm (not 45p). Worth emphasizing that.
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Great resource. My year 10 students liked it. Thank you so much.
This looks great! Thank you.
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