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Parentheses are an important tool in the algebraic toolbox in regard to the structure of the algebraic equation. They are the beginning of the standard order of operations rule, the P in PEMDAS. The central question that 5th graders are given the opportunity to explore through the activity in which the same equation is written 5 times with only a change in the placement of the parentheses is: Can the parentheses in any of these expressions be removed without changing the value of the expression? The answer is no, but the reasoning is more complex. The activity is designed for use as either a lesson or an assessment.
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