1
2
6
-1
1
1
2
7
9
1
-1
2
1
3
4
3
-1
-1
3
2
4
7
2
-1
1
4
3
5
8
9
1
-1
4
6
6
3
-1
-1
no
5
7
2
3
-1
1
yes
6
8
4
2
1
-1
7
9
7
6
-1
-1
8
10
9
6
-1
1
9
11
7
8
1
-1
10
12
9
7
-1
-1
11
13
6
9
-1
1
12
14
9
8
1
-1
13
15
6
5
-1
-1
14
16
7
4
-1
1
15
17
8
2
1
-1
16
18
4
6
-1
-1
17
19
5
3
-1
1
18
20
3
2
1
-1
19
21
7
3
-1
-1
20
22
4
7
-1
1
21
23
2
4
1
-1
22
24
6
2
-1
-1
23
25
3
6
-1
1
24
26
2
7
1
-1
25
27
7
5
-1
-1
26
28
9
5
-1
1
27
29
8
3
1
-1
28
30
6
7
-1
-1
29
31
5
8
-1
1
30
32
9
4
1
-1
31
33
4
9
-1
-1
32
34
3
8
-1
1
33
35
9
3
1
-1
34
36
2
8
-1
-1
35
37
4
8
-1
1
36
38
8
5
1
-1
37
39
3
5
-1
-1
38
40
5
4
-1
1
39
41
3
9
1
-1
40
42
6
4
-1
-1
43
4
5
-1
1
44
2
9
1
-1
45
5
2
-1
-1
46
9
2
-1
1
47
6
8
1
-1
48
8
4
-1
-1
49
2
5
-1
1
50
5
9
1
-1
51
3
7
-1
-1
52
5
6
-1
1
©Ms Garcia Math
Name:
ID:
Quiz:
Grade:
Addition and subtraction of integers
?
ADDITION: If the signs of the numbers are the same, ADD. The answer has the same sign.
If the signs of numbers are different, SUBTRACT.
The answer has the sign of the larger number.
SUBTRACTION. Change subtraction to addition of the opposite number.
1)
+
=
11)
-
=
2)
+
=
12)
-
=
3)
+
=
13)
-
=
4)
+
=
14)
-
=
5)
+
=
15)
-
=
6)
+
=
16)
-
=
7)
+
=
17)
-
=
8)
+
=
18)
-
=
9)
+
=
19)
-
=
10)
+
=
20)
-
=
digits
1
2
3
4
signed
no
yes