1.The sum of any integer and its opposite is equal to? *

1
2
0
10

2.Add (-33) + 0 = ________ *

-43
+33
-33
0
3.Subtract (-5) - (+8) = _________ *

-3
+3
+13
-13

4.( +20) - (+12) = ________ *

-32
+8
-8
+32

5.Which mathematical sentence is equal to +9? *

(+5) - (-4) = N
(+5) - (+4) = N
(-5) - (+4) = N
(-5) - (-4) = N

6.What is the sum of -12 and -15? *

-3
+3
-27
+27

7.The product of two positive integers or two negative integers is a __________ integer. *

positive
negative
zero

8.The product of a positive integer and a negative integer is a ______ integer *

positive
negative
zero

9.Which pair of integers has a product of -36? *

+18 and +2
-18 and -2
-18 and +2
+19 and -2

10.What is the product of -9 and -2? *

-11
+11
-18
+18

11.What is the missing number in 8 × ____ = –64 ? *

+12
-8
-9
+8

12.The quotient in (-28) ÷ (-7) = _________ . *

-4
_5
+4
+11

13.What is 120 ÷ (-8)? *
1 point
-112
+15
-15
+96

14.Find the product : (-5) x (-3) = ________. *

+8
-8
+15
-15

15.From the ground floor, an elevator went up 9 floors and then went down 4 floors. At what floor did the elevator stop? *

4th floor
3rd floor
7th floor
5th floor

16.On a certain day, the temperature in Baguio was recorded as 8℃. The next day, the temperature went down to -4℃. Find the difference between these two temperature. *

-4C°
12℃
-12℃
4℃​