Multiplication as scaling
Multiplying a positive number by something greater than 1 makes it bigger, and multiplying it by a fraction between 0 and 1 makes it smaller, so you can predict whether a product will be larger or smaller than a factor without calculating the exact answer.
This explanation is AI-generated and can occasionally be wrong.
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Midterm
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This final covers a lot of topics, so it's split into 2 parts. Each part includes a question from every one of its topics.
Final, Part 1 of 2
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Final, Part 2 of 2
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