Greatest Common Factor Teacher Resources

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Sal explains that the greatest common factor of any number is the largest number divisible into both monomials and not necessarily the number with greatest value. He breaks down two numbers into their prime factors as a product of its primes then identifies the GCF of greatest common factor.
For this greatest common divisor worksheet, students use prime factorization to determine the greatest common factors of two or more numbers. Explanations and examples are provided. This two-page worksheet contains ten problems.
Students identify the greatest common factor. In this multiplication lesson, students review multiplication facts and discuss ways to solve word problems using the greatest common factor. Students participate in a review, guided, and independent practice. 
In this greatest common factor worksheet, students answer multiple choice questions about problem solving and rules of the greatest common factor in numbers. Students complete 10 questions total.
In this greatest common factor worksheet, students answer multiple choice questions about how to find the greatest common factor and actually finding it in problems. Students answer 10 questions total.
In this math worksheet, students learn to find the greatest common factor and simplify fractions. Students read the information and follow the step by step directions to find the GCF in 10 problems.
Students find the greatest common factor of two numbers. In this algebra lesson, students find the the prime and composite common factor of integers. This assignment is modified for special education students.
Learners complete activities to practice identifying greatest common factors and least common multiples. They will use real-world problems to practice with. The lesson plan provides problems and a well-written outline to use when teaching these skills as well as a variety of worksheets that you can assign.
Students play a pool game to better explain ratio, proportion, greatest common divisor, and least common multiple.
Learners examine the concept of finding the greatest common factor. They complete number of activities as they practice identifying prime and composite numbers. Pupils apply rules of divisibility and find the greatest common factor while completing worksheets.
Seventh graders examine Prime Factorizations, Multiples, and Factors. In this prime number, factorization, and multiples lesson, 7th graders identify greatest common factors and least common multiples. Students use problem solving skills to explore prime numbers, multiples and factorization.
Sixth graders need to see the relevance in the mathematics they learn. This lesson builds on the concepts of least common multiple and greatest common factor. The lesson presents real-world problem situations for students to solve.
In this factoring numbers worksheet, students observe two numbers, list their factors, and designate the greatest common factor. Students solve 10 problems.
In this factoring numbers learning exercise, students list the factors for pairs of numbers and determine the greatest common factor. Students solve 10 problems.
These multiples share a few factors, but which one is the greatest? Scholars list the factors for various number pairs, first just indicating common factors. Next, they do the same but write down the greatest common factor. Finally, there are two sets asking mathematicians to find the GCF between three numbers. There is an example to demonstrate the three-number problem. Instructions encourage kids to physically circle the common factors.
In this factoring numbers review worksheet, students examine 10 pairs of numbers and list all the factors for each circling the greatest common factor.
In this factoring numbers review worksheet, students examine 10 pairs of numbers and list all the factors for each circling the greatest common factors.
In this factoring numbers worksheet, students list the factors for the two sets of numbers. Students then circle the greatest common factor for the 10 problems.
In this factoring numbers worksheet, students list the factors for the number sets. Students then circle the greatest common factor for the numbers.
In this factoring numbers review worksheet, students examine 10 pairs of numbers and list all the factors for each circling the greatest common factors.

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Greatest Common Factor