Lesson Plan
Curated OER

Limiting Factors/Evolution Game

For Teachers 9th - 12th
Students play a board game with provided cards which help them realize that limiting factors may restrict an organism in its development and productivity and direct evolutionary pathways.
Lesson Plan
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Factor Race

For Teachers 3rd - 6th
Pupils practice finding factors for numbers. In this factor lesson plan, students draw a card and list all the factors for that number. Each person scores points depending on the number of factors they have written correctly.
Interactive
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Relating GCF and LCM for Grade Six

For Students 6th
In this relating GCF and LCM for Grade Six worksheet, 6th graders answer ten multiple choice questions about factors and multiples, with answers available onscreen.
Lesson Plan
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Introducing the Concept Prime Factors

For Teachers 5th
Fifth graders identify the prime factorization for 48 using different sets of factors. They find the prime factorization for 60.
Lesson Plan
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Factoring Polynomials having common factors

For Teachers 9th
Ninth graders demonstrate that factoring polynomials having common factors is the inverse process of multiplying a polynomial by a monomial. students find the greatest common factor.
Lesson Plan
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Prime Numbers and Factors

For Teachers 4th - 6th
Students determine factors of numbers to 100 and identify prime factors; students differentiate prime and composite numbers by the factors of the numbers.
Lesson Plan
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Factors of Composite Numbers

For Teachers 6th - 8th
Students explore the concept of factoring composite numbers. For this factoring composite numbers lesson, students factor composite numbers. Students learn about composite numbers.
Worksheet
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Factor Trees and GCF

For Students 6th - 8th
In this prime factorization and greatest common factor worksheet, students use factor trees to find the prime factorization of 8 numbers. They find the GCF of six pairs of numbers.
Worksheet
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Factors and Prime Factorization

For Students 6th
In this factors and prime factorization worksheet, 6th graders use examples to find all the factors for six numbers, then write six more numbers as products of prime factorization.
Lesson Plan
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Finding Factors

For Teachers 6th - 8th
Students explore the concept of factoring numbers. In this factoring lesson, students factor numbers. Students create a list of factors for each number.
Interactive
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Greatest Common Factors

For Students 8th - 10th
In this algebra worksheet, students solve problems using the GCF. They factor out the common variables and simplify the equations. There are 8 questions with an answer key.
Lesson Plan
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Biotic vs. Abiotic Factors

For Teachers 9th - 12th
Students share their prior knowledge of the elements of the environment. In groups, they are introduced to the concepts of biotic and abiotic factors in a specific environment. They discover their effects on organisms living in the...
Lesson Plan
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Factors of Production

For Teachers 6th - 8th
Students identify and define the four factors of production on a diagram. Using a product they use everyday, they write down which natural resources are used to make the product and what type of skills the workers needed to make it. In...
Worksheet
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Greatest Common Factor: Practice

For Students 5th - 6th
In this greatest common factor worksheet, students list the factors for each number and find the greatest common factor of the numbers. Students then write the prime factorization using exponents of each number and find the greatest...
Worksheet
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Common Factors and Greatest Common Factors

For Students 4th - 5th
In this GCF worksheet, students use factors and GCF's to solve a set of word problems. All problems relate to factors and GCF's.
Worksheet
Helping with Math

Prime Factorization with Factor Trees (2 of 2)

For Students 3rd - 5th Standards
The publisher has tagged this resource as designed to meet CCSS.Math,Content.6.NS.4, but it really is only the first step in the process of determining least common multiples and greatest common factors. Six numbers are given for...
Worksheet
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Greatest Common Factor

For Students 4th - 5th
In this GCF worksheet, students fill in missing numbers in factor trees and write the prime factorization to find the greatest common factor. Worksheet includes links to answers and additional worksheets.
Worksheet
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Prime factors

For Students 6th
In this prime factors worksheet, 6th graders find the prime factors of two digit numbers. Students complete 6 problems where they find prime factors.
Lesson Plan
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Ecosystems: Biotic and Abiotic Factors

For Teachers 7th
Seventh graders examine proper journaling techniques, and record observations about at tree after listening to a read aloud of "Four Worlds: The Dine Story of Creation." They study the difference between living and non-living things, and...
Worksheet
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Greatest Common Factor #2

For Students 4th - 5th
In this GCF worksheet, learners fill in missing number in factor trees, then determine whether numbers are prime or composite. Worksheet includes links to answers and additional worksheets.
Worksheet
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Factors for Grade 6: HCF, GCD and GCF

For Students 6th
For 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.
Worksheet
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Hands On: Find Factors of a Number

For Students 3rd - 5th
For this factors worksheet, students find factors of three different numbers. They use counters to make arrays to solve each one.
Worksheet
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Prime Factorization, Equivalent Fractions and GCF review

For Students 7th - 9th
In this sample test worksheet, students solve twenty-five problems covering prime factorization, equivalent fractions, greatest common factor, and plotting on a number line.  Solutions are provided.
Lesson Plan
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Solve for Scale Factors Using Proportions

For Teachers 8th
Eighth graders solve problems using proportions with scaled drawings. They work with maps and blue-prints discussing scales and plans and examine different polygons and figure out the scale factors or proportions they have been changed by.

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