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WorksheetsGCF and LCM and Monomials
Total questions: 20
Worksheet time: 3hrs 40mins
Name
Class
Date
1.
Find the LCM of 12 and 6.
a)
6
b)
12
c)
2
d)
1
2.
What is the GCF of 18 and 24?
a)
3
b)
6
c)
8
d)
9
3.
What is the GCF of 7 and 18?
a)
7
b)
18
c)
1
d)
3
4.
What is the GCF OF 24 and 48?
a)
52
b)
58
c)
24
d)
48
5.
What is the least common multiple (LCM) of 4 and 10?
a)
4
b)
40
c)
15
d)
20
6.
what is the LCM of the numbers 2 and 3
a)
3
b)
2
c)
4
d)
6
7.
What is the GCF of 8 and 10?
a)
1
b)
3
c)
4
d)
2
8.
What is the GCF of 20, 44, and 88?
a)
4
b)
2
c)
22
d)
1
9.
What is the greatest common factor (GCF) of 10b2 and 10?
a)
2
b)
5
c)
10
d)
10b
10.
What is the greatest common factor (GCF) of 48x2and 32x3?
a)
8x2
b)
16x2
c)
16x
d)
96x3
11.
What is the least common multiple (LCM) of 48x2and 32x3?
a)
8x2
b)
16x2
c)
16x
d)
96x3
12.
What is the greatest common factor of 28y2and 49y2?
a)
7y
b)
21y2
c)
196y2
d)
7y2
13.
What is the least common multiple of 28y2and 49y2?
a)
7y
b)
21y2
c)
196y2
d)
7y2
14.
What is the greatest common factor of 42xy2 and 28x3y?
a)
84x3y2
b)
14y
c)
14xy
d)
14xy2
15.
What is the least common multiple (LCM) of 42xy2 and 28x3y?
a)
84x3y2
b)
14y
c)
14xy
d)
14xy2
16.
What is the greatest common factor of 20a2b2 and 50b3?
a)
100a2b3
b)
10b3
c)
10ab2
d)
10b2
17.
What is the least common multiple of 20a2b2 and 50b3?
a)
100a2b3
b)
10b3
c)
10ab2
d)
10b2
18.
Sara had 16 red flowers and 24 yellow flowers. She wants to make bouquets with the same number of each color flower in each bouquet. What is the greatest number of bouquets that she can make?
a)
4
b)
2
c)
48
d)
8
19.
Vince has 12 jars of grape jam, 16 jars of strawberry jam, and 24 jars of raspberry jam. he wants to place the jam into the greatest number of boxes possible so that each box has the same number of jars of each kind of jam. How many boxes does he need?
a)
4 boxes
b)
3 boxes
c)
6 boxes
d)
12 boxes
20.
Two faucets are dripping. One faucet drips every 4 seconds and the other faucet drips every 9 seconds. If a drop of water falls from both faucets at the same time, how many seconds will it be before you see the faucets drip at the same time?
a)
18 seconds
b)
36 seconds
c)
72 seconds
d)
1 second
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