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Grade 3 - Computational Fluency
Standard 3.CF.2.1 - Compare addition equations to find the related fact.
addition and subtraction facts to 20 (emerging computational fluency) • adding and subtracting of numbers to 20 • demonstrating fluency with math strategies for addition and subtraction (e.g., decomposing, making and bridging 10, related doubles, and commutative property) • Addition and subtraction are related. • At the end of Grade 3, most students should be able to recall addition facts to 20.