Base 11 Addition Table
In mathematics, a base N addition table defines the addition operation for numbers written in a base-11 number system. This page shows the base 11 addition table — every row header, column header, and sum below is written in base 11, not decimal. Print it directly from the page using the print button on the table.
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Base 11 Addition Table
Base 11 Addition Table
| + | 011 | 111 | 211 | 311 | 411 | 511 | 611 | 711 | 811 | 911 | A11 | 1011 | 1111 | 1211 | 1311 | 1411 | 1511 | 1611 | 1711 | 1811 | 1911 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 011 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 111 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A |
| 211 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 |
| 311 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 |
| 411 | 4 | 5 | 6 | 7 | 8 | 9 | A | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 |
| 511 | 5 | 6 | 7 | 8 | 9 | A | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 |
| 611 | 6 | 7 | 8 | 9 | A | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 |
| 711 | 7 | 8 | 9 | A | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 |
| 811 | 8 | 9 | A | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 911 | 9 | A | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| A11 | A | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 1011 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 1111 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A |
| 1211 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 30 |
| 1311 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 30 | 31 |
| 1411 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 30 | 31 | 32 |
| 1511 | 15 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 30 | 31 | 32 | 33 |
| 1611 | 16 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 30 | 31 | 32 | 33 | 34 |
| 1711 | 17 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 30 | 31 | 32 | 33 | 34 | 35 |
| 1811 | 18 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 30 | 31 | 32 | 33 | 34 | 35 | 36 |
| 1911 | 19 | 1A | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 |
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