Chapter 3 Lesson 5
Presentation
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Standards-aligned
Abby Hanger
Used 1+ times
FREE Resource
3 Slides • 8 Questions
1
Chapter 3
Lesson 5 – Least Common Multiple
GOAL: To determine the LCM of a pair of numbers
Warm-Up:What are the multiples of…..
2? _____________________________
3? ______________________________
5? ______________________________
2
Defn: The _________ __________ _______
(LCM) is the smallest multiple that 2 or more numbers have
in common
Defn: _________ factorization is finding all the prime
factors of a number
3
Steps to finding the LCM
Step 1: Find the prime factorization of each
number
Step 2: Circle any common factors
Step 3: Multiply each common factor by ALL
leftover factors
4
Math Response
Find the LCM of 8 and 26
5
Math Response
Find the LCM of 48 and 63
6
Math Response
Find the LCM of 10 and 24
7
Math Response
Find the LCM of 28 and 35
8
Multiple Choice
What is the Least Common Multiple of 3 and 13?
13
39
26
24
9
Math Response
What is the LCM of 25 and 36
10
Math Response
Find the least common multiple for the number pair.
10 and 32
11
Multiple Choice
Least Common Multiple of 35x and 10
70x
135x
350x
5x
Chapter 3
Lesson 5 – Least Common Multiple
GOAL: To determine the LCM of a pair of numbers
Warm-Up:What are the multiples of…..
2? _____________________________
3? ______________________________
5? ______________________________
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