How many Christmas lights will be needed to make this house festive?
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Quick and snappy attention grabber makes the value of reading the question apparent!
This is a nice festive perimeter activity with an interesting discrete maths subtlety for discussion as mentioned in the above comment. Thanks for sharing.
LIKE IT. Did bring in the discussion when the answers are shown that if the lights are 10cm apart over each individual length you will have one extra light. So for a 20cm unit you will have 3 lights (one at zero, one at 10 and one at 20cm). So the answers are open to interpretation i think it should be 372 lights (368 +4) as there would be 4 cable runs.
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