4th Grade Math 5.3, Word Problem Solving, Common Factors

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JoAnn's School

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We can use the "make a list" strategy to solve problems with common factors. We make a list of factors for each number, then identify the common factor or factors that are found on both lists. A common factor is a factor of two or more numbers. A perfect number is a number that is equal to the sum of its factors (except itself as an addend). We solve four word problems involving common factors. If a number is a factor of a product, then the factors of that number are also factors of the product. We write factor pairs to make sure we list all the factors for a number. We use higher order thinking skills to find two numbers that have a common factor of 10 and 20.
4th Grade Math 5.1, Model Factors
• 4th Grade Math 5.1, Mo...
4th Grade Math 5.2, Factors and Divisibility
• 4th Grade Math 5.2, Fa...
4th Grade Math Playlist (2015)
• 4th Grade Math Course
I'm using the Houghton Mifflin Go Math!
2015 copyright textbook for this playlist.
You can practice online using the textbook's website
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