Compare examples involving subtraction facts to 20 and justify which representation is correct.
Compare examples involving subtraction facts to 20 and justify which representation is correct.
Math
Grade 1
Worksheets
More Subtraction Facts
Compare examples involving related facts and justify which representation is correct.
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Use mathematical vocabulary to describe patterns and relationships in subtraction facts to 20.
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Check the reasonableness of answers in problems involving related facts.
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Choose an efficient method for a task in Grade 1 involving subtraction facts to 20.
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Compare examples involving subtraction facts to 10 and justify which representation is correct.
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Solve problems involving subtraction facts to 20 and explain the strategy used.
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Represent subtraction facts to 20 using models, symbols, words, or diagrams appropriate for Grade 1.
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Interpret real-world situations that require reasoning about subtraction facts to 20.
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