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Education Development Center
Adding Fractions with Unlike Denominators
If the fractions don't have a common denominator, make them have one. Learners first read and analyze a conversation of pupils trying to add 2/5 and 1/2. They compare the process of adding fractions to the process of adding quantities...
Curated OER
Finding Common Denominators to Subtract
Subtracting fractions with unlike denominators can be overwhelming, but in this task, 5th graders work systematically to break down the procedure through three questions. The first two questions ask for pictures to be drawn along...
Curated OER
Subtracting Fractions with Unlike Denominators
Young scholars solve fractions using subtractions and. In this algebra lesson, students use the correct steps to solve fractions with unlike denominators when adding and subtracting. They solve by finding a common denominator...
Curated OER
Subtracting Fractions with Unlike Denominators
Learners solve fractions with unlike denominators. In this algebra lesson, students solve fractions using subtraction. They have to get the same denominator to subtract the fractions.
Curated OER
Operations with Fractions
Learners solve fractions using multiplication, subtractions and division. In this algebra lesson, students use the correct steps to solve fractions with unlike denominators when addin g and subtracting. They solve divisions by the...
Curated OER
Discovering New Units
Students use Cuisenaire rods to explore common denominators. In this fractions lesson, students build Cuisenaire representations of fractions, then find their equivalent counterparts to find the common denominator.
Curated OER
Problem Solving With Fractions
Sixth graders solve and analyze fractions. In this algebra lesson, 6th graders solve fractions using addition, subtraction, multiplication and division. They work in groups and do peer-review.