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Planetary Alignments
In this planetary alignments activity, students use 2 different methods to find out when planet alignments will occur. They use a three number series and they use least common multiples to find out when Mercury and Venus will align.
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Common Multiples
Students explore the concept of common multiples. In this common multiple lesson, students find the lowest common multiple of two numbers.
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Adding and Subtracting Fractions
For 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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Addition and Subtraction of Rational Expressions
In this rational expressions worksheet, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in an equation....
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Number Sense and Operations
In this number sense and operations instructional activity, students solve 15 different problems that include number lines and identifying various types of numbers. First, they solve a given equation and then check their work. Then,...
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Primes and Prime Factors
In this primes and prime factors worksheet, 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 complete each...
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Factoring
In this math learning exercise, students complete problems involving factoring. In the first section, they find all factors of a number. Students find the least common multiple and the greatest common factors. This is a learning exercise...
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Least Common Multiples
In this math instructional activity, 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 instructional...
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Quick Quiz: Multiply and Divide with Fractions and Decimals
Here is a fraction and decimal worksheet in which learners solve eight problems that require them to multiply and divide using fractions and decimals.
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Best lesson in the whole world!
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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Least Common Multiple
In this least common multiple worksheet, 6th graders list multiples of numbers 2 through 5 and then find the least common multiple of 2 of the numbers. Students complete 5 problems.
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Fractions
For this math worksheet, students solve fraction problems. Students find equivalents, use common denominators, and explain their answers.
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Lowest Common Multiple
For this lowest common multiple worksheet, students find the LCM of 2 digit numbers that don't exceed the number 20. Students complete 10 problems.
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LCM: Variables and Exponents
In this algebra instructional activity, students determine the least common multiple of variables with exponents. There are 10 questions and a provided workspace.
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Lowest Common Denominator Worksheet
In this fractions 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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The Pill Problem involving LCM
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 56
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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Simplifying and Solving Equations with Fractions
In this fractions activity, 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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Least Common Multiple Practice 2
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
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Least Common Multiple Practice
In this least common multiples practice activity, students examine sample problems and solve 20 problems that require them to find least common multiples.
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Least Common Multiple Practice 3
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
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Number Theory Practice
In this number theory worksheet, students complete a total of 13 problems, finding multiples, LCM and solving 1 word problem.
Mrs. Glosser's Math Goodies
Number Theory Worksheet 3
A nine-row data table has novice number crunchers fill in columns for the greatest common factor, least common multiple, product of the two, and product of numbers. The pairs of numbers to work with are all single- and double-digit...
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Finding The LCM
Students find the least common multiple. In this LCM lesson plan, students find the multiples of two numbers. They view which multiples are common between the two numbers and then find the smallest.