Multiple Choice Identify the
choice that best completes the statement or answers the question.


1.

Find the least common multiple (LCM) of 7, 10, and
20.


2.

Find the least common multiple (LCM) of 2, 8, and
12.


3.

Find the least common multiple (LCM) of 6, 7, and
8.


4.

Find the least common multiple (LCM) of 3, 5, and
6.


5.

Lauren visits the park every 3 days and goes to the
library every 10 days. If Lauren does both of these today, how many days will pass before Lauren gets
to do them both on the same day again?
A  13 days  B  60 days  C  30
days  D  7 days 


6.

The difference between two numbers is 5. The LCM of
the two numbers is 24. Find the two numbers.
A  8 and 9  B  5 and 8  C  8 and
13  D  3 and 8 


7.

Yolanda writes an email to her best friend in
Oregon every day, an email to her brother every 3 days, and a letter to her cousin every 5 days. On
March 10, she writes to all three of them. On what date will she next write to all three of
them?
A  March 25  B  April 15  C  March
18  D  April 18 


8.

Find the least common multiple (LCM) of 3 and 8.


9.

Find the least common multiple (LCM) of 4 and 18.


10.

Find the least common multiple (LCM) of 10 and 12.
