Concept explainers
Suppose you are teaching students about least common multiples and you use only the following examples to illustrate the concept:
4 and 7
3 and 10
5 and 12
8 and 9
What misconception about the LCM might the students develop? Explain why. What other kinds of examples should the students see? Describe some examples that you think are good, and explain why you think they are good.
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