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Lesson: The Least Common Multiple Mathematics • 6th Grade

In this lesson, we will learn how to find the least common multiple of two or more numbers.

Lesson Plan

Students will be able to

find the least common multiple of two numbers,
find the least common multiple of three numbers,
apply this concept to solve word problems.

Lesson Video

Lesson Playlist

05:05
01:37
+3

01:12

Lesson Worksheet

Q1:

Find the LCM of 6, 15, and 40.

Q2:

Find the two numbers whose LCM is 45 and sum is 54.

Q3:

A quarter moon occurs every 15 days. If the last quarter moon occurred on a Monday, how many days will pass before a quarter moon occurs again on a Monday?