WS #2
Inverse and Identity Property of Addition
Use the identity and inverse property of addition to fill in the missing number.
1)
2 +
=
0
2)
+
17 =
17
3)
0 +
=
(−21)
4)
+
18 =
0
5)
0 +
=
5
6)
+
0 =
12
7)
6 +
=
6
8)
(−13) +
=
0
9)
(−24) +
=
(−24)
10)
+
11 =
0
11)
0 +
=
9
12)
+
0 =
28
13)
26 +
=
0
14)
+
16 =
16
15)
0 +
=
(−4)
16)
3 +
=
3
17)
(−10) +
=
0
18)
(−19) +
=
(−19)
19)
14 +
=
0
20)
+
22 =
22
21)
0 +
=
(−2)
22)
+
29 =
0
23)
0 +
=
20
24)
+
0 =
1
25)
23 +
=
23
26)
(−15) +
=
0
27)
(−27) +
=
(−27)
28)
+
25 =
25
29)
+
6 =
0
30)
0 +
=
8
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