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PPT
Curated OER

Fraction XII: Subtracting Unlike Denominators

For Teachers 4th - 5th
This fractions PowerPoint defines and gives examples of multiples and least common multiple, then models how to list multiples and circle the least common multiple. Each step to use in subtracting fractions with unlike denominators is...
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Worksheet
Curated OER

Number Sense and Numeration: Multiples, Factors and Square Roots

For Students 6th - 8th
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
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Lesson Plan
Illustrative Mathematics

Multiples and Common Multiples

For Teachers 6th - 7th Standards
Learners are asked to find multiples and common multiples of two numbers. They must take their findings and find a pattern between the numbers and explain their reasoning. Use this resource with The Florist Shop activity in this series...
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Lesson Plan
Illustrative Mathematics

The Florist Shop

For Teachers 6th - 7th Standards
A real-world approach to common multiples asks learners to find different groups of flowers based on their multiples. Useable as a class activity or independent exercise, they will have to organize their thoughts to explain the totals of...
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PPT
Curated OER

Fraction X--Adding Unlike Denominators

For Teachers 4th - 5th
In this math PowerPoint, the process of adding fractions with unlike denominators is broken down into a logical, easy-to-follow sequence of steps. Definitions and examples of multiples, least common multiple, and least common denominator...
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Worksheet
Curated OER

Least Common Multiple

For Students 6th - 9th
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory instructional activity. Instructions for this instructional activity include an explanation of both guess...
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PPT
Curated OER

Factoring

For Teachers 6th - 7th
Show how to factor four different numbers using a factor tree. This short slide show defines factoring and then shows how each number 28, 32, 33, and 30 can all be factored. 
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Lesson Plan
Curated OER

Best lesson in the whole world!

For Teachers 6th - 8th
Students 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. Students use a number of different prompts to...
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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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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...
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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.
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Worksheet
Curated OER

Finding the Least Common Multiple

For Students 6th
For this finding the least common multiple worksheet, 6th graders use two methods, a list of multiples or prime factorization, to find least common multiples.
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Whiteboard
ClassFlow

Class Flow: Crct Review Day 3

For Teachers 3rd - 5th
[Free Registration/Login Required] This flipchart is a review for the Georgia CRCT. It covers math concepts of statistics, factors, least common denominator, and greatest common multiple.