Have young mathematicians subtracting fractions in no time with this manipulative-based math lesson. Using their sets of fraction circles, students explore a number of word problems involving the subtraction of fractions before working collaboratively to create problems of their own.

Concepts

comparing fractions, fractions, fractions unlike denominators, subtracting fractions, subtraction

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Additional Tags

fractions, subtracting fractions, comparing fractions, unlike denominators, different denominators, uncommon denominators, math

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Instructional Ideas

• During whole-group instruction, allow students to work with a partner or in small groups solving the different word problems
• Use the word problems students create as warm-up exercises and/or homework assignments during the following lessons on fractions
• If the technology is available, use the online manipulatives during whole-group instruction to represent the word problems with different visual models

Classroom Considerations

• If sets of plastic fraction circle manipulatives are not available in your class, use the included templates and make them yourself

Pros

• Multiple guided practice word problems are provided that involve subtracting fractions
• Lesson includes comments and suggestions that support teachers with implementing this lesson
• A warm up problem is included that activates students' prior knowledge about comparing fractions

Cons

• None

Common Core

4.NF.A.2 4.NF.B.3.a 5.NF.A.1 5.NF.A.2 MP5 MP7