Illuminations: Grid and Percent It

In this lesson, students use a 10 × 10 grid as a model for solving various types of percent problems.

This model offers a means of representing the given information as well as suggesting different approaches for finding a solution. This lesson is adapted from “A Conceptual Model for Solving Percent Problems,” which originally appeared in Mathematics Teaching in the Middle School, Vol. 1, No. 1 (April 1994), pp. 20-25.

 

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Ratios, Rates & Percents
Middle School, Educator

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