Arithmetic generalization
Generalizing means noticing a pattern that works for many numbers, not just one example: adding zero never changes a number, since 7 + 0 = 7 and 100 + 0 = 100 no matter which number you start with. Multiplying any number by 1 works the same way, always giving back that same number, like 9 x 1 = 9.
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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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