Adding and subtracting fractions with unlike denominators word problems - By Khan Academy
Cindy and Michael need 1 gallon of orange paint for the giant cardboard pumpkin they are making for Halloween. Cindy has 2/5 of a gallon of red paint. Michael has 1/2 of a gallon of yellow paint. If they mix their paints together, will they have the 1 gallon they need?
Adding and subtracting fractions with unlike denominators word problems is a free educational video by Khan Academy.It helps students in grades 5 practice the following standards 5.NF.A.2.
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1. 5.NF.A.2 : Solve word problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators, e.g., by using visual fraction models or equations to represent the problem. Use benchmark fractions and number sense of fractions to estimate mentally and assess the reasonableness of answers. For example, recognize an incorrect result 2/5 + 1/2 = 3/7 by observing that 3/7 < 1/2. .
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