1/87
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
---|
No study sessions yet.
-14
-7 + -7 =
-23
-11 + -12 =
13
25 + -12 =
-27
-14 + -13 =
-13
14 + -27 =
-12
-28 + 16 =
11
5 + 11 + -5 =
5
16 + -11 =
1
-29 + 30 =
-23
9 + -32 =
0
-42 + 42 =
-46
4 + -50 =
-5
8 - 13 =
-17
-10 - 7 =
-35
-20 - 15 =
-6
6 - 12 =
-3
-10 - (-7) =
16
4 - (-12) =
-10
-15 - (-5) =
-10
0 - 10 =
-14
-9 - 5 =
-12
-4 -8 =
-30
-25 - 5 =
31
-11 - (-42) =
-3
5 + (-8) =
0
-3 + 3 =
-11
-3 + (-8) =
-14
-7 + (-7) =
2
-8 + 10 =
6
-7 + 13 =
5
15 + (-10) =
-23
-11 + (-12) =
13
25 + (-12) =
-27
-14 + (-13) =
-13
14 + (-27) =
-12
-28 + 16 =
11
5 + 11 + (-5) =
5
16 + (-11) =
1
-29 + 30 =
-23
9 + (-32) =
0
-42 + 42 =
-46
4 + (-50) =
76
13 + 63 =
11
18 + (-12) + 5 =
-5
8 - 13 =
-17
-10 - 7 =
-35
-20 - 15 =
-6
6 - 12 =
3
1 - (-2) =
-3
-10 - (-7) =
16
4 - (-12) =
-10
-15 - (-5) =
-10
0 - 10 =
-14
-9 - 5 =
-12
-4 -8 =
-17
31 - 48 =
-30
-25 - 5 =
-85
-44 - 41 =
23
4 - (-19) =
31
-11 - (-42) =
104
52 - (-52) =
-4
13 - 17 =
35
27 - (-8) =
-17
-8 - 9 =
-(-(-55)
-55
-(-(-(-55)
55
-30 - (35)
-65
-2 - (-102)
100
Add +, Keep Sign
Addition Rule -> SAME SIGNS
Subtract -, Keep BIGGER Sign
Addition Rule -> DIFFERENT SIGNS
Keep, Change, Change, then follow rules of addition to simplify
Subtraction Rule
25
20 + 5
7
4 + 3
2
6 + (-4)
3
11 + (-8)
10
14 + (-4)
12
9 - (-3)
19
15 - (-4)
7
2 - (-5)
-3
10 - 7
-5
4 - 9
-3
15 - 18
-6
2 - 8
-15
-6 + (-9)
-5
-2 + (-3)
-18
-9 + (-9)
-7
-3 - 4
5
4 - (-1)