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Addition Chart
1 + 1 = 2
1 + 2 = 3
1 + 3 = 4
1 + 4 = 5
1 + 5 = 6
1 + 6 = 7
1 + 7 = 8
1 + 8 = 9
1 + 9 = 10
1 + 10 = 11
2 + 1 = 3
2 + 2 = 4
2 + 3 = 5
2 + 4 = 6
2 + 5 = 7
2 + 6 = 8
2 + 7 = 9
2 + 8 = 10
2 + 9 = 11
2 + 10 = 12
3 + 1 = 4
3 + 2 = 5
3 + 3 = 6
3 + 4 = 7
3 + 5 = 8
3 + 6 = 9
3 + 7 = 10
3 + 8 = 11
3 + 9 = 12
3 + 10 = 13
4 + 1 = 5
4 + 2 = 6
4 + 3 = 7
4 + 4 = 8
4 + 5 = 9
4 + 6 = 10
4 + 7 = 11
4 + 8 = 12
4 + 9 = 13
4 + 10 = 14
5 + 1 = 6
5 + 2 = 7
5 + 3 = 8
5 + 4 = 9
5 + 5 = 10
5 + 6 = 11
5 + 7 = 12
5 + 8 = 13
5 + 9 = 14
5 + 10 = 15
6 + 1 = 7
6 + 2 = 8
6 + 3 = 9
6 + 4 = 10
6 + 5 = 11
6 + 6 = 12
6 + 7 = 13
6 + 8 = 14
6 + 9 = 15
6 + 10 = 16
7 + 1 = 8
7 + 2 = 9
7 + 3 = 10
7 + 4 = 11
7 + 5 = 12
7 + 6 = 13
7 + 7 = 14
7 + 8 = 15
7 + 9 = 16
7 + 10 = 17
8 + 1 = 9
8 + 2 = 10
8 + 3 = 11
8 + 4 = 12
8 + 5 = 13
8 + 6 = 14
8 + 7 = 15
8 + 8 = 16
8 + 9 = 17
8 + 10 = 18
9 + 1 = 10
9 + 2 = 11
9 + 3 = 12
9 + 4 = 13
9 + 5 = 14
9 + 6 = 15
9 + 7 = 16
9 + 8 = 17
9 + 9 = 18
9 + 10 = 19
10 + 1 = 11
10 + 2 = 12
10 + 3 = 13
10 + 4 = 14
10 + 5 = 15
10 + 6 = 16
10 + 7 = 17
10 + 8 = 18
10 + 9 = 19
10 + 10 = 20
Subtraction Chart
1 – 1 = 0
2 – 1 = 1
3 – 1 = 2
4 – 1 = 3
5 – 1 = 4
6 – 1 = 5
7 – 1 = 6
8 – 1 = 7
9 – 1 = 8
10 – 1 = 9
2 – 2 = 0
3 – 2 = 1
4 – 2 = 2
5 – 2 = 3
6 – 2 = 4
7 – 2 = 5
8 – 2 = 6
9 – 2 = 7
10 – 2 = 8
11 – 2 = 9
3 – 3 = 0
4 – 3 = 1
5 – 3 = 2
6 – 3 = 3
7 – 3 = 4
8 – 3 = 5
9 – 3 = 6
10 – 3 = 7
11 – 3 = 8
12 – 4 = 9
4 – 4 = 0
5 – 4 = 1
6 – 4 = 2
7 – 4 = 3
8 – 4 = 4
9 – 4 = 5
10 – 4 = 6
11 – 4 = 7
12 – 4 = 8
13 – 4 = 9
5 – 5 = 0
6 – 5 = 1
7 – 5 = 2
8 – 5 = 3
9 – 5 = 4
10 – 5 = 5
11 – 5 = 6
12 – 5 = 7
13 – 5 = 8
14 – 5 = 9
6 – 6 = 0
7 – 6 = 1
8 – 6 = 2
9 – 6 = 3
10 – 6 = 4
11 – 6 = 5
12 – 6 = 6
13 – 6 = 7
14 – 6 = 8
15 – 6 = 9
7 – 7 = 0
8 – 7 = 1
9 – 7 = 2
10 – 7 = 3
11 – 7 = 4
12 – 7 = 5
13 – 7 = 6
14 – 7 = 7
15 – 7 = 8
16 – 7 = 9
8 – 8 = 0
9 – 8 = 1
10 – 8 = 2
11 – 8 = 3
12 – 8 = 4
13 – 8 = 5
14 – 8 = 6
15 – 8 = 7
16 – 8 = 8
16 – 8 = 9
9 – 9 = 0
10 – 9 = 1
11 – 9 = 2
12 – 9 = 3
13 – 9 = 4
14 – 9 = 5
15 – 9 = 6
16 – 9 = 7
17 – 9 = 8
18 – 9 = 9
10 – 10 = 0
11 – 10 = 1
12 – 10 = 2
13 – 10 = 3
14 – 10 = 4
15 – 10 = 5
16 – 10 = 6
17 – 10 = 7
18 – 10 = 8
19 – 10 = 9