Vocabulary
What is a multiple?
A multiple is what you get one you skip count by a number.
Is 9 a multiple of 3?
Yes, 3,6,9,12...
List the first six multiples of 2
2,4,6,8,10,12...
List the first 10 multiples of 10.
10, 20, 30, 40, 50, 60, 70, 80, 90, 100...
Find the LCM of 4 and 6.
6: 6, 12, 18, 24, 30, 36...
Common multiples: 12, 24
LCM: 12
What does LCM stand for?
Least Common Multiple
Is 15 a multiple of 5?
Yes, 5,10,15,20...
List the first six multiples of 5.
5,10,15,20,25,20...
List the first ten multiples of 3.
3, 6, 9, 12, 15, 18, 21, 24, 27, 30...
Find the LCM of 5 and 2.
2: 2, 4, 6, 8, 10, 12...
5: 5, 10, 15, 20, 25, 30...
Common Multiples: 10
LCM: 10
What does the word least mean?
Smallest
Is 21 a multiple of 6?
No you cannot count by 6 and land on 21. 6, 12, 18, 24 ...
List the first six multiples of 7.
7, 14, 21, 28, 35, 42...
List the first ten multiples of 4.
4, 8, 12, 16, 20, 24, 28, 32, 36, 40...
Find the LCM of 8 and 3.
3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
8: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80
Common Multiples: 24
LCM: 24
Do multiples ever end?
No, multiples go on forever.
Is 54 a multiple of 9?
Yes, 9,18, 27, 36, 54, 63...
List the first six multiples of 12.
12,24,36,48,60,72...
List the first ten multiples of 11.
11,22,33,44,55,66,77,88,99,110...
Find the LCM of 7 and 5
7: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70...
5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50...
Common Multiples: 35
LCM: 35
What symbol do we put after a set of multiples to show the multiples go on forever?
Three dots ...
Is 67 a multiple of 8?
No you cannot count by 8s and land on 67. 8,16,24,32,40,48,56,64,72...
List the first six multiples of 15.
15, 30, 45, 60, 75, 90...
List the first ten multiples of 13.
13, 26, 39, 52, 65, 78, 91, 104, 117, 130...
Find the LCM of 4 and 8.
4: 4, 8, 12, 16, 20, 24...
8: 8, 16, 24, 32, 40, 48...
Common Multiples: 8, 16, 24
LCM: 8