## 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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