Operations on Integers(First Quiz)

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NAME:
PERIOD:
PRACTICE QUIZ - FIRST QUIZ
Operations on Integers
A.
Add or Subtract. (1 point each)
1)
-8 – 11 = -19
9)
2)
12 + (-6) = 6
10) -8 + -9 = -17
3)
-10 + 1 = -9
11) 3 – 11 = -8
4)
-11 + -8 = -19
12) 14 + (-3) = 11
5)
-7 – (-3) = -4
13) 6 – (-6) = 12
6)
-5 – 9 = -14
14) -7 + 13 = 6
7)
10 + (-14) = -4
15) 4 – (-9) = 13
8)
7 – 15 = -8
16) -8 – (-1) = -7
B.
Add or Subtract. (2 points each)
17)
-8 + 20 + (-14)
20)
Answer: -2
18)
15 – 22 + 16
-10 – 13 + 8
Answer: -15
14 + (-19) – 13
Answer: -18
21)
Answer: 9
19)
-13 + 1 = -12
-11 + 18 – 30
Answer: -21
22)
-20 – 10 – 15
Answer: -45
NAME:
PERIOD:
23)
-18 – 14 + 12
Answer: -20
C.
24)
17 – 10 – (-15)
Answer: 22
Fill in the correct integers, then answer the question in words.
(2 points each)
25) Kate’s business had a loss of $100 in its first month, and a profit of
$220 in its second month. What was the profit/loss of Kate’s
business after the first two months?
-100 + 220 = 120
Kate’s business had a profit of $120.
26) The temperature was 10°F below zero at noon, and has dropped 4°
since then. What is the current temperature?
-10 – 4 = -14
The current temperature is 14°F below zero.
27) The Steelers’ first play resulted in a loss of 15 yards, and the
second play resulted in a gain of 2 yards. What is the net result of
the first two plays?
-15 + 2 = -13
After two plays, the Steelers had a loss of 13 yards.
28) Jane’s stock rose 6 points at 10:00 a.m., dropped 8 points at noon,
rose 10 points at 2:00 p.m., and dropped 7 points at 4:00 p.m.
Overall, what did Jane’s stock do today?
6 – 8 + 10 – 7 = 1
Jane’s stock rose 1 point today.
EXTRA CREDIT: (1 point)
The extra credit will ask you to compare some integers.
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