Subtraction strategies
Subtraction strategies include counting back, like solving 9 - 3 by counting "8, 7, 6"; using a number line to hop backward; or thinking about a missing number bond, like knowing 9 - 4 = 5 because 4 and 5 make 9.
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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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