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Number System
Test Description: Test Review for 7.NS.1, 7.NS.3 Computation
Instructions: Answer all questions to get your test result.
1) What is the opposite of -9?
A
0.9
B
-9
C
1/9
D
9
2) What is the opposite of 1/8?
A
-8
B
-1/8
C
1/8
D
8
3) The opposite of n is 6. What is the value of n?
A
6
B
-6
C
16
D
-16
4) A company has a net loss of $29.35. How much profit do they have to make to break even?
A
$0.00
B
$1,000.
C
$29.00
D
$29.35
5) Which pair of numbers does NOT have a sum of 0?
A
0.7 and -1/7
B
1,000,000 and -1,000,000
C
2/5 and -2/5
D
3 and -3
6) What is the absolute value of -2?
A
-2
B
1/2
C
2
D
0.2
7) What is the absolute value of 1/9?
A
1/9
B
0.9
C
9
D
-1/9
8) What is the only number that does not have an opposite?
A
zero
B
pi
C
one trillion
D
0.999999999
9) How far apart are -15 and 30 on a number line?
A
15
B
45
C
-30
D
-15
10) How far apart are -8 and -2 on the number line?
A
0
B
10
C
16
D
6
*select an answer for all questions
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