Name: 
 

Lesson 6: Determining Common Multiples



 1. 

Which of the following is a multiple of 5?
a.
42
b.
15
c.
62
d.
74
 

 2. 

Which of the following is a multiple of 6?
a.
14
b.
20
c.
32
d.
42
 

 3. 

Which of the following is a multiple of 8?
a.
32
b.
54
c.
74
d.
18
 

 4. 

Which of the following is a multiple of 7?
a.
34
b.
52
c.
24
d.
28
 

 5. 

Which of the following is a multiple of 9?
a.
74
b.
89
c.
96
d.
108
 

 6. 

What is the LCM of 4 and 5?
a.
16
b.
20
c.
24
d.
40
 

 7. 

What is the LCM of 6 and 8?
a.
12
b.
24
c.
40
d.
48
 

 8. 

What is the LCM of 4 and 6?
a.
24
b.
12
c.
16
d.
20
 

 9. 

Stephen is training for power skating.  He skates every 3rd day and lifts weights every 4th day.  After how many days will he skate and lift weights on the same day?
a.
14
b.
10
c.
8
d.
12
 

 10. 

Ariel swims every 6th day and Dawn swims every 7th day. After how many days will they swim together?
a.
40
b.
45
c.
42
d.
47
 



 
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