SOCIAL SCIENCE 17 DE ABRIL

1. Open your book on page 71 and read it.

2. Copy in your notebook.

TIME

For longer periods of time we use units.

-         Decade = 10 years

-         Century = 100 years

-         Millennium = 1000 years

3. In your notebook, do the next activity:

1.     How many decades are there in one century?

2.     How many centuries are there in one millennium?