Least Common Factor Unit Plans Reviewed by Teachers

National Security Agency

Fraction Fever

For Teachers 4th - 5th Standards

This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...

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BioEd Online

Butterflies in Space

For Teachers K - 12th Standards

How does gravity affect the life cycle of a butterfly? Learn first-hand what types of investigations astronauts perform in space by following along with one of NASA's experiments. Create butterfly habitats in the classroom with specific...

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Mathematics Vision Project

Circles: A Geometric Perspective

For Teachers 10th - 12th Standards

Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...

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Mathematics Vision Project

Module 4: Rational Functions

For Students 9th - 12th Standards

Time to study the most sensible function — rational functions! The seven-lesson unit develops the concept of a rational function through a connection to rational numbers and fractions. Scholars graph functions, solve equations, and...

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Mangahigh

Mangahigh: Number: Least Common Multiple and Greatest Common Factor

For Students 4th - 7th Standards

This site provides students practice with the concept of least common multiples and greatest common factors. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to...

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Khan Academy

Khan Academy: Gcf & Lcm Word Problems

For Students 5th - 7th Standards

Solve word problems where you either need to find the GCF or LCM. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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Shmoop University

Shmoop: Basic Operations: Lcm & Gcf

For Students 9th - 10th Standards

Students learn about the least common multiple and the greatest common factor. The resource consists of notes, step-by-step examples, and practice problems with solutions.

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Houghton Mifflin Harcourt

Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: Common Denominators [Pdf]

For Students 9th - 10th Standards

A graphing calculator lesson focusing on common denominator. Lesson contains detailed examples, visual demonstrations with key functions, and practice problems. Acrobat Reader required.

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Help Algebra

Help algebra.com: Fractions

For Students 9th - 10th

This resource offers an overview of fractions from several aspects, including simplifying, reduced, mixed numbers and improper form, and basic operations. Examples and diagrams are included to help demonstrate each topic.

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