The Rational Numbers, Opposites, and Absolute Values Gizmo uses an interactive number line to allow students to compare rational numbers. Students can place a point on the number line and then toggle the display of the number’s opposite and absolute value. In the Gizmo and associated Student Exploration, students learn how to compare fractions by plotting them on a number line and by converting to equivalent fractions with a common denominator. Students then learn how to find opposites and absolute values on a number line.
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