The given number = 10 + ?
Compose and Decompose Numbers: Learn
The numbers from 11 to 19 are composed of ten ones (called a ten) and one, two, three, four, five, six, seven, eight, or
nine ones.
| 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 |
Add to Ten: Practice
What number needs to be added to ten?
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| = | 10 | + | ? |
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