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Lesson Plan
Curated OER

Factor Fun for Fifth Graders

For Teachers 5th
Fifth graders explore common factors. In this factorization lesson plan, 5th graders discover the greatest common factor among two numbers in a game format. Students build on previous knowledge to determine the greatest common factor.
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Worksheet
Curated OER

Adding or Subtraction Algebraic Fractions

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students add and subtract algebraic fractions and reduce the answer to lowest terms.  The two page worksheet contains a combination of eleven multiple choice and free response questions.  Answers...
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Worksheet
Curated OER

Fractions

For Students 8th - 12th
In this LCD worksheet, students find the lowest common denominator in fraction problems that are also division problems. Students complete 3 problems.
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Worksheet
Curated OER

LCD of Expressions

For Students 11th
In this algebra worksheet, 11th graders solve rational expression by converting the denominators to the same unit using the least common denominator and multiplication. There are 13 problems.
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Worksheet
Curated OER

Least Common Multiple

For Students 9th - 11th
In this least common multiple worksheet, students find the least common multiple of given numbers.  Problems contain variables and exponents.  This two-page worksheet contains 26 problems.  Answers are provided on the last page.
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Lesson Plan
Curated OER

Paper Pool

For Teachers 7th - 8th
Young scholars explore ratio and proportion, GCF, and LCM.  In this middle school mathematics lesson, students play an interactive Paper Pool game that provides an opportunity to increase their understanding or ratio, proportion, GCF,...
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Worksheet
Curated OER

Solving Rational Equations

For Students 9th - 11th
In this rational equations worksheet, students identify the least common multiple and solve rational equations. This two-page worksheet contains 18 problems.
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Lesson Plan
Curated OER

Common Multiples

For Teachers 6th - 8th
Students explore the concept of common multiples. In this common multiple instructional activity, students find the lowest common multiple of two numbers.
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Worksheet
Curated OER

Adding and Subtracting Fractions

For Students 4th - 6th
In this adding and subtracting fractions worksheet, students are guided through the process of adding and subtracting fractions and finding the least common denominator for fractions with different denominators. They practice adding and...
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Worksheet
Curated OER

Primes and Prime Factors

For Students 8th
In this primes and prime factors instructional activity, 8th graders solve 21 different problems to include identifying each number as prime, composite, or neither prime nor composite and listing all the primes less than 200. Then they...
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Worksheet
Curated OER

Least Common Multiples

For Students 6th - 8th
In this math worksheet, students find the least common multiple of sets of numbers. Students factor each number to their prime factorization. They use the primes to find the least common multiples. This is a worksheet generator, the...
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Lesson Plan
Curated OER

Best lesson in the whole world!

For Teachers 6th - 8th
Middle schoolers study the concept of fraction using mathematical reasoning. In this problem solving fraction lesson, students use various methods to explain their reasoning in solving fractions. Middle schoolers use a number of...
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Worksheet
Curated OER

Fractions

For Students 9th - Higher Ed
In this math worksheet, students solve fraction problems. Students find equivalents, use common denominators, and explain their answers.
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Worksheet
Curated OER

LCM: Variables and Exponents

For Students 7th - 10th
In this algebra worksheet, students determine the least common multiple of variables with exponents. There are 10 questions and a provided workspace.
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Worksheet
Curated OER

Lowest Common Denominator Worksheet

For Students 5th - 6th
In this fractions instructional activity, students follow the steps to finding the lowest common denominator, filling in the answers to the prompts for each step.
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Interactive
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The Pill Problem involving LCM

For Students 8th - 10th
In this problem solving worksheet, students find the next day that two events will both happen given the clues provided.  The solution to the problem is given at the bottom of the page.
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Lesson Plan
Curated OER

Lesson 56

For Teachers 6th
Sixth graders practice Least Common Multiple in fractions. In this fraction lesson, 6th graders look at two different fractions and find a common denominator. They sing a song to memorize mean, median, and mode. 
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Worksheet
Curated OER

Simplifying and Solving Equations with Fractions

For Students 8th - 11th
In this fractions worksheet, students simplify ten problems by calculating the product, and six problems using the distributive property.  Students solve for the variable in ten problems by first multiplying by the least common denominator.
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Lesson Plan
Curated OER

Finding The LCM

For Teachers 4th - 8th
Students find the least common multiple. In this LCM lesson, students find the multiples of two numbers. They view which multiples are common between the two numbers and then find the smallest. 
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Interactive
Curated OER

SAT Grid Practice Test 07

For Students 10th - 12th
In this practice test worksheet, students solve percent problems, find the probability of given events, determine the median, and find the unit price. This one page worksheet contains ten multi-step problems.
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Lesson Plan
Curated OER

Playing the LCM Game

For Teachers 5th - 8th
Students practice finding the least common multiple of two numbers.  In this practice finding the least common multiple of two numbers lesson, students play head-to-head against their classmates.  Students play a version of 'slap jack'...
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Worksheet
Curated OER

Word Problems Using the Lowest Common Multiple

For Students 6th
In this word problems using the lowest common multiple instructional activity, 6th graders answer 10 multiple choice problems, with answers at the bottom on the screen.
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Interactive
Curated OER

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.
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Worksheet
Curated OER

Math Quiz: Least Common Multiple

For Students 6th
In this math quiz:  least common multiple worksheet, 6th graders find the LCM for 8 pairs of numbers, then answer 3 multiple choice word problems.