Final answer:
The sentence 'Please assess how well the class knows their multiplication facts.' correctly uses the word 'assess' in context.
Step-by-step explanation:
The sentence that correctly uses the word assess is: 'Please assess how well the class knows their multiplication facts.'
In this sentence, 'assess' is used in the sense of evaluating or determining the extent of the class's knowledge of multiplication facts.
This is different from the other sentences, which use 'assess' incorrectly or in a nonsensical way.
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