Math: Revisiting Subtraction Concepts and Introducing the Use Doubles Addition Fact Strategy | Curriculum

Math: Revisiting Subtraction Concepts and Introducing the Use Doubles Addition Fact Strategy

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<blockquote class="wp-embedded-content"><a href="https://curriculum.roundrockisd.org/first-grade/math-revisiting-subtraction-concepts-and-introducing-the-use-doubles-addition-fact-strategy/">Math: Revisiting Subtraction Concepts and Introducing the Use Doubles Addition Fact Strategy</a></blockquote>
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