Fraction inequalities are illustrated by replacing two Fraction Bars by bars having the same number of parts. That is, two fractions are replaced by fractions having the same denominator, and then the numerators are compared to determine an inequality. Examining the method of using common denominators to determine an inequality of fractions leads to the development of the cross multiplication rule for determining inequalities. There are examples of finding inequalities for mixed numbers and rounding mixed numbers. The close relationship of the cross multiplication rules for equality and inequality of fractions is compared. The video ends with demonstrations of the free interactive web games "Hitting Asteroids" and "Fraction Darts" from fractionbars.com.
Visit FractionBars.com for more information.
Tagged under: Fractions,mixed numbers,rounding,inequalities,numerator,denominator,comparing fractions,cross multiplication,number line,fraction games,meaningful,intuitive,sense-making,home ed.,teaching,learning,instructional video,fraction game,Fraction Bars,Albert B. Bennett,Jr
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