Which instructional approach is most effective for teaching the meaning of the prefix 'pre-'?
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A
Asking students to memorize a definition of 'pre-'
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B
Having students analyze multiple words containing 'pre-' (preview, preheat, precaution) and derive its meaning
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C
Telling students 'pre-' means 'before' once during a lesson
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D
Assigning a worksheet listing 20 words with 'pre-'