. Grade 8, Illustrative icon
Task

Sammy's Chipmunk and Squirrel Observations

Illustrative MathematicsVaries

This task provides a context for setting up a linear equation whose solution requires some algebraic manipulation. Because the numbers involved are not too large, students can also experiment with some small values and eventually find the solution this way; a first solution with a table is provided showing this method. On the other hand, the reasoning required without using an equation is complex enough that the simplicity and elegance of the algebraic approach can be highlighted. For the algebraic solution, since a variable is not provided, students might choose different variables providing an opportunity for an interesting class discussion.

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