Least Common Multiple (LCM)
Presentation
•
Mathematics
•
5th - 6th Grade
•
Hard
Joseph Anderson
FREE Resource
10 Slides • 11 Questions
1
by Ms. Mendez & Mrs. Rasmussen
2
3
Multiples- products of a number when multiplied by 1, 2, 3, 4,
Least- smallest, lowest
Common- the same number that appears in both numbers.
Least common multiple (LCM)- the smallest multiple that 2 or more numbers have in common.
4
1. Make a chart for each of your given numbers.
2. Take each number and multiply it by 1, 2, 3, 4, & so on- taking turns between each given number.
3. When you find a common multiple STOP!!! This will be your least common multiple (LCM).
5
6
Fill in the Blanks
WE DO! All together let's find
what is the LCM of 5 and 17?
Use your desk to show your work
Type answer...
7
8
Multiple Choice
What is the LCM of 2 and 14?
28
7
14
2
9
Multiple Choice
What is the LCM of 6 and 15?
15
30
3
10
10
Multiple Choice
BONUS: What is the LCM of 4,8, and 28?
4
56
14
28
11
12
Multiple Choice
Find the LCM of 8 and 20
8
4
40
160
13
Multiple Choice
What is the LCM of 2, 4, 6?
6
12
4
2
14
Multiple Choice
What is the LCM of 32 and 40?
180
160
140
200
15
16
Multiple Choice
What is the LCM of 7 and 8?
7
8
42
56
17
Multiple Choice
LCM of 7 and 4
12
32
56
28
18
Fill in the Blanks
3.) Find the LCM of 8 and 10. Work out the problem in your notebook and write your answer here.
Type answer...
19
Fill in the Blanks
Find the LCM of 7 and 9. Work out the problem in your notebook and record your answer here.
Type answer...
20
3 = 3, 6, 9, 12, 15....
LCM= 6
21
by Ms. Mendez & Mrs. Rasmussen
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