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Texas Instruments
Greatest Common Divisor and Least Common Multiple
Students solve problems using the GCD and LCM. For this algebra lesson, students factor and simplify equations using the greatest common and least common factors and multiples. They factor integers in pairs.
Curated OER
Factors for Grade 6: HCF, GCD and GCF
In this factors for grade 6: HCF, GCD, and GCF worksheet, 6th graders answer 10 multiple choice questions, about factors and divisors, with answers available online.
Curated OER
Exercise Set: Fractions
In this fractions worksheet, learners complete a total of 58 problems, finding GCD and LCM, changing improper fractions to mixed and evaluating and reducing.
University of Regina (Canada)
University of Regina: Math Central: Greatest Common Divisor and Least Common Multiple
Learn about the greatest common divisor, the least common multiple, and the Euclidean Algorithm. This resource gives a description of each of these concepts, accompanied by several examples.
Elias Saab
Math Drills: Lcm and Gcd Quiz
An interactive quiz which provides students with two numbers and asks them to find either the Least Common Multiple or the Greatest Common Divisor between them. Students input their solution and have the program evaluate it. Hints are...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Greatest Common Factors, Least Common Multiples
Math Forum response to request for info on how to find greatest common factors, and how this compares to least common multiples. Explanation includes examples of each.