WorksheetsGCF/LCM Review
Total questions: 12
Worksheet time: 1hrs 1mins
Name
Class
Date
1.
12 is a ____________ of 6
a)
Factor
b)
Multiple
2.
What is the LCM of 12 and 10?
a)
1
b)
2
c)
60
d)
120
3.
What is the GCF of 12 and 10?
a)
1
b)
2
c)
60
d)
120
4.
Anika made 36 jars of plum jelly and 48 jars of grape jelly. She is putting the jars into boxes of identical size. Each box will only have one kind of jelly. What is the greatest number of jars of jelly she can have in a box?
a)
6
b)
12
c)
18
d)
24
5.
Jack has football practice every 3rd day. He also plays piano and has practice every 4th day. Today, Jack has both football and piano practice. In how many days, will he have both practices again?
a)
1
b)
12
c)
24
d)
3
6.
Kim goes running every 4 days and swims every 10 days. If she did both today how many days before she does both again?
a)
2
b)
40
c)
20
d)
4
7.
If the expanded form is 2⋅2⋅2⋅3⋅3⋅5⋅7 what would the exponential form be?
a)
2⋅3⋅5⋅7
b)
2³⋅3²⋅5⋅7
c)
2²⋅3²⋅5⋅7
d)
8⋅9⋅35
8.
What is the greatest common factor of 28y2and 49y2?
a)
7y
b)
21y2
c)
196y2
d)
7y2
9.
What is the greatest common factor of 40a2b and 48ab2?
a)
240a2b2
b)
5ab
c)
8ab
d)
4ab
10.
What is the least common multiple (LCM) of 48x2and 32x3?
a)
8x2
b)
16x2
c)
16x
d)
96x3
11.
What is the greatest common factor of 40a2b and 48ab2?
a)
240a2b2
b)
5ab
c)
8ab
d)
4ab
12.
What is the least common multiple of 40a2b and 48ab2?
a)
240a2b2
b)
5ab
c)
8ab
d)
4ab
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