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WorksheetsGCF and DOS Warm Up
Total questions: 11
Worksheet time: 19mins
Name
Class
Date
1.
What is the GCF of 18 and 24?
a)
3
b)
6
c)
8
d)
9
2.
When is St. Patrick's Day?
a)
December 24
b)
March 17
c)
April 1
d)
July 4
3.
GCF stands for...
a)
great calculator festival
b)
giant circumference fact
c)
grouped calculation finder
d)
greatest common factor
4.
Factor out the GCF:
10x³ - 15x
10x³ - 15x
a)
x(10x² - 15)
b)
5x(2x² - 3)
c)
5(2x³ - 3x)
d)
5x²(10x - 3)
5.
What color clothes should you wear on St. Patrick's Day?
a)
Green
b)
Pink
c)
Blue
d)
Red
6.
What is the GCF of the terms below?
24x3 + 36x2
a)
8x
b)
6x2
c)
12x2
d)
4x
e)
12x3
7.
x2 - 25
a)
( x + 5 ) ( x - 5 )
b)
( x - 5 ) ( x - 5 )
c)
( x + 5 ) ( x + 5 )
d)
Prime
8.
What is one symbol of St. Patrick's day?
a)
bells
b)
shamrock
c)
eggs
d)
pumpkin
9.
x2 + 81
a)
Prime
b)
( x - 9 ) ( x + 9 )
c)
( x + 9 ) ( x + 9 )
d)
( x - 9 ) ( x - 9 )
10.
4x2 - 25
a)
(2x + 5) (2x - 5)
b)
(2x - 5)2
c)
(2x + 5)2
d)
2x + 5(2x - 5)
11.
Where did St. Patrick's Day originate?
a)
Colorado
b)
Brevard
c)
USA
d)
Ireland
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