Vocabulary of Whole Numbers
Write the numbers in words:
| 0 | Zero, Oh |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| 11 | |
| 12 | |
| 13 | |
| 14 | |
| 15 | |
| 16 | |
| 17 | |
| 18 | |
| 19 | |
| 20 | |
| 30 | |
| 40 | |
| 50 | |
| 60 | |
| 70 | |
| 80 | |
| 90 | |
| 100 | |
| 1,000 | |
| 10,000 | |
| 100,000 | |
| 1,000,000 | |
| 10,000,000 | |
| 100,000,000 | |
| 1,000,000,000 |
The word a means one. We can say “one hundred” or we can say “a hundred”.
