. Grade 6, Illustrative icon

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Illustrative MathematicsVaries

This problem can be solved using simple arithmetical reasoning but is also naturally represented by a simple equation. Thus, it provides a good entry point for students into representing quantities in contexts with variables and expressions and building equations that reflect the relationships presented in the context. In order for this task to fulfill its instructional promise, students are first asked to solve the problem themselves in any way they see fit. They could then explain their solution strategy to a partner, giving everyone a chance to articulate their reasoning.

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