UnboundEdGrade 4 Standards Guide: Operations & Algebraic Thinking

Supporting grades: 4

Description: Explanations and examples of how to implement the Operations & Algebraic Thinking standards in Grade 4. In order to best support students with this in Grade 4, let's take a quick look at the roots of decomposition. As students progress through the grades, additive decomposition supports increasingly sophisticated addition and subtraction problems. In the fourth example, decomposition is related to equal groups as 24 is decomposed into four sixes (i.e., 6 + 6 + 6 + 6 = 24). We can address factoring pairs in Grade 4 by using additive decomposition as a starting place; for example, by asking students to decompose a number, like 10, additively prior to introducing factors.

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