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WorksheetsG8 18.06.2020
Total questions: 10
Worksheet time: 15mins
Name
Class
Date
1.
Evaluate.
a)
-12
b)
12
c)
±12
d)
1/12
2.
Evaluate: 449
a)
449
b)
47
c)
196
d)
28
3.
A perfect square is when a whole number is multiplied by itself?
a)
FALSE
b)
TRUE
4.
Simplify: 248
a)
83
b)
412
c)
96
d)
102
5.
Hidden Treasure Island is about 12 miles long. Audree has a map of the island. If the scale on the map is 1 inch = 1/2 mile, what is the length of the island on Audree's map?
a)
6 miles
b)
24 inches
c)
6 inches
d)
24 miles
6.
3/7 of 8th graders in Madisonville play sports. If 3/5 of the 8th graders that play sports are boys, what fraction of 8th grade boys play sports?
a)
6/12
b)
36/35
c)
9/35
d)
3/5
7.
Between what two whole numbers does the √449 fall?
a)
19 and 20
b)
20 and 21
c)
21 and 22
d)
22 and 23
8.
Find the prime factorization of 30
a)
22 • 5 • 7
b)
2 • 32
c)
2 • 3 • 7
d)
2 • 3 • 5
9.
Which is the prime factorization of 12?
a)
2 x 6
b)
2 + 2 + 2 + 2 + 2 + 2
c)
2 x 2 x 3
d)
1 x 2 x 2 x 3
10.
Which of the following is TRUE?
a)
(115)2=2210
b)
157=0.68
c)
(−31)2 =−91
d)
64=8×8=82
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