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Charlies Delightful Machine: Difference between revisions
From OER in Education
added lesson idea
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JanetBlair (talk | contribs) (added lesson idea) |
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|tagline= Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light? | |tagline= Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light? | ||
|image=NRICH7024.jpg | |image=NRICH7024.jpg | ||
|content= | |content=Students enter numbers one at a time into Charlie's coloured lights machine. Each light is controlled by a rule, and if a number satisfies the rule, the light will go on. Students attempt to uncover the rules, with some numbers possibly turning on more than one light! | ||
|strategy= | |strategy= | ||
|topic= Algebra | |topic= Algebra | ||
