Decomposing Fractions


Our Decomposing Fractions lesson plan teaches students how fractions function by breaking them down into smaller parts. Students practice “decomposing” fractions with like denominators and learn lesson vocabulary.

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Our Decomposing Fractions lesson plan helps students gain a deeper understanding of fractions and how they function. By breaking fractions down into smaller pieces – decomposing them – students will better understand how to work with these numbers as part of their math lessons. The lesson also reviews vocabulary like numerator and denominator, as well as mixed numbers and improper fractions. Students are asked to use visual aids to help them decompose fractions. Students are also asked to complete practice problems to demonstrate their understanding of the lesson.

At the end of the lesson, students will be able to decompose fractions with like denominators.


Additional information




4th Grade, 5th Grade

State Educational Standards