Addition Table for 10
Each row adds 10 to numbers 1 through 12. Addition tables help build number sense and make mental math faster.
Adding 10 keeps parity: even meets even, odd meets odd, all down the sum column. The nearest round ten is 10 itself. Every fact runs backward for free: from 10 + 6 = 16 comes the subtraction fact 16 − 10 = 6.
| Addend | Sum |
|---|---|
| 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 |
| 10 + 11 | 21 |
| 10 + 12 | 22 |
Frequently asked questions
What are the addition facts for 10?
Adding 10 to each number 1 through 12 gives every fact above, from 10 + 1 = 11 up to 10 + 12 = 22.
What is 10 + 7?
10 + 7 = 17.
What is the fastest way to add 10 mentally?
Split 10 into tens and ones, add the tens first, then the ones. For example 10 + 6 = (10 + 5) + 1 = 15 + 1 = 16.