
Least Common Multiple Intro Lesson
Presentation
•
Mathematics
•
6th Grade
•
Practice Problem
•
Medium
Standards-aligned
Emilee Gustafson
Used 2+ times
FREE Resource
5 Slides • 5 Questions
1
Least Common Multiple
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3
Find the least common multiple of 4 and 6.
4
Math Response
Find the least common multiple of 2 and 4.
5
Math Response
Find the least common multiple of 5 and 3.
6
Multiple Choice
What is the least common multiple of 9 and 3?
7
Scheduling:
Coordinating Events: When planning events like meetings or parties, you can use the LCM to find the earliest time when two or more schedules align.
Scheduling Tasks: If you have recurring tasks with different frequencies (e.g., watering plants every 2 days and cleaning the house every 3 days), finding the LCM helps you determine when both tasks will coincide.
Cooking and Baking:
Scaling Recipes: When adjusting recipe quantities, the LCM can help you find the smallest amount of ingredients needed to make equal portions of different items.
Timing Cooking Processes: If you're timing multiple dishes that cook for different durations, the LCM can help you coordinate their completion times.
WHY find the LCM?
8
Two runners are running around a track. One runner takes 4 minutes to complete a lap, and the other takes 6 minutes. After how many minutes will they be at the starting line together again?
9
Math Response
A bakery makes blueberry muffins every 3 days and chocolate chip muffins every 4 days. On what day will they make both types of muffins on the same day?
10
Match
Match the following word problems with the correct answer.
A library lends books for 7 days and magazines for 5 days. If you borrow a book and a magazine today, in how many days will both be due on the same day?
A coffee shop restocks its decaf coffee beans every 12 days and its regular coffee beans every 6 days. If both types of beans are restocked today, in how many days will they both be restocked again on the same day?
A bakery makes loaves of white bread every 8 days and loaves of wheat bread every 4 days. If they make both kinds of bread today, in how many days will they make both kinds again on the same day?
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12
8
35
12
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Least Common Multiple
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