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Tuesday, July 31, 2012

Determining the Least Common Multiple (LCM) of 2 or More Numbers - Interactive Math Lesson

Determining the Least Common Multiple (LCM) of 2 or More Numbers - Interactive Math Lesson
Objective: Determine the Least Common Multiple (LCM) of 2 or More Numbers
File: Interactive Lesson in flash (swf)
Grades: 5-6



What is Multiple?
A multiple is formed by multiplying a given number by the counting numbers.
The counting numbers are 1, 2, 3, 4, 5, 6, etc.
Least Common Multiple (LCM)
The least common multiple is the smallest number that is common between two lists of multiples.
To determine the LCM of 6 and 8, list their multiples and encircle the first number you see in both lists.
Multiples of 6 - 6, 12, 18, 24, 30, 36, etc.
Multiples of 8 - 8, 16, 24, 32, 40, etc.
The LCM of 6 and 8 is 24.

To better understand the lesson in determining the LCM, watch this flash presentation.

Download it free: Determining the Least Common Multiple (LCM) of 2 or More Numbers

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