In Topic C, students use the array model and familiar skip-counting strategies to solidify their understanding of multiplication and practice related facts of 2 and 3. They become fluent enough with arithmetic patterns to “add” or “subtract” groups from known products to solve more complex multiplication problems (3.OA.1, 3.OA.9). They apply their skills to word problems using drawings and equations with a symbol to find the unknown factor (3.OA.3). This culminates in students using arrays to model the distributive property as they decompose units to multiply (3.OA.5).
Grade 3 Mathematics Module 1, Topic C, Overview
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