Find the greatest common factor of two numbers. Solve application problems using the greatest common factor.
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Understanding the greatest common factor of two numbers will support students in their work in Unit 5, Numerical and Algebraic Expression, where they will use common factors and the distributive property to write expressions in factored form.
If you need to adapt or shorten this lesson for remote learning, we suggest prioritizing Anchor Problem 3 (benefits from worked example). Find more guidance on adapting our math curriculum for remote learning here.
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Find the greatest common factor of 12 and 18.
Use this same method to find the greatest common factor of 48 and 56.
Grade 6 Mathematics > Module 2 > Topic D > Lesson 18 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..
Modified by Fishtank Learning, Inc.Find the greatest common factor of 12 and 18 using prime factorization.
Use this same method to find the greatest common factor of 48 and 56.
Use this same method to find the greatest common factor of 8 and 25. What happens in this example?
Jasmine’s family is having a family picnic. Jasmine is planning on ordering enough pizza to have 96 slices and a tray of 72 cookies. She wants to make sure each family member gets the same number of cookies and slices of pizza. Based on this food order, what is the greatest number of family members Jasmine can invite to the picnic? How many slices of pizza and cookies will each family member get?
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The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
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Factors and Common Factors, accessed on Sept. 28, 2017, 4:31 p.m., is licensed by Illustrative Mathematics under either the CC BY 4.0 or CC BY-NC-SA 4.0. For further information, contact Illustrative Mathematics.
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