Number bonds · 15
Number Bonds of 15
7 pairs of numbers from 1 up make 15. Add 0 and 15 and that's 8.
The pairs that make 15
How to learn the bonds of 15
15 is 1 ten and 5 ones, so one bond comes free: 10 and 5. The pairs where both parts are under 10 are the facts that cross 10, and the make a ten strategy handles them.
The facts in these bonds
| Add | Turned around | Take away | Take away |
|---|---|---|---|
| 1 + 14 = 15 | 14 + 1 = 15 | 15 − 1 = 14 | 15 − 14 = 1 |
| 2 + 13 = 15 | 13 + 2 = 15 | 15 − 2 = 13 | 15 − 13 = 2 |
| 3 + 12 = 15 | 12 + 3 = 15 | 15 − 3 = 12 | 15 − 12 = 3 |
| 4 + 11 = 15 | 11 + 4 = 15 | 15 − 4 = 11 | 15 − 11 = 4 |
| 5 + 10 = 15 | 10 + 5 = 15 | 15 − 5 = 10 | 15 − 10 = 5 |
| 6 + 9 = 15 | 9 + 6 = 15 | 15 − 6 = 9 | 15 − 9 = 6 |
| 7 + 8 = 15 | 8 + 7 = 15 | 15 − 7 = 8 | 15 − 8 = 7 |
Play the bonds of 15 game
Every question makes 15
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Bonds of 15 FAQ
What are the number bonds of 15?
0 and 15, 1 and 14, 2 and 13, 3 and 12, 4 and 11, 5 and 10, 6 and 9, 7 and 8. Each pair works turned around too.
How many number bonds does 15 have?
8 pairs, counting 0 and 15. There's no double, because 15 is odd.
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