Ages and stages

1. Describing age.

Match these words with the definitions below.

2. Can you remember?

Choose the correct word for each age group.

3. Age expressions with numbers.

Someone who is fifteen years old is a fifteen-year-old. (Not a fifteen-years-old.)
You can describe a boy who is twelve as a twelve-year-old boy. (Not a twelve-years-old boy.)

Write expressions for these definitions.

4. More age expressions.

A woman who is approximately 25 is in her twenties.
People who are between 30 and 39 are in their thirties.
Teenagers are in their teens.

Complete these definitions.