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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
1/9
C
-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
16
B
-6
C
6
D
-16
4) A company has a net loss of $29.35. How much profit do they have to make to break even?
A
$29.00
B
$1,000.
C
$0.00
D
$29.35
5) Which pair of numbers does NOT have a sum of 0?
A
3 and -3
B
0.7 and -1/7
C
2/5 and -2/5
D
1,000,000 and -1,000,000
6) What is the absolute value of -2?
A
-2
B
2
C
0.2
D
1/2
7) What is the absolute value of 1/9?
A
9
B
1/9
C
0.9
D
-1/9
8) What is the only number that does not have an opposite?
A
pi
B
one trillion
C
0.999999999
D
zero
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
6
B
16
C
10
D
0
*select an answer for all questions
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