Page 124 - Blue Butterfly 1
P. 124
Date:
unit 6
The Mayans were very smart people. Their mathematic system was among the best in the world. They only used three symbols: a dot, a bar, and a symbol for zero.
The Maya Mystery
There is a great mystery of the Mayan people. To this day, nobody knows why they left their cities after living there for so long. We know many things about them, but we still don’t know what happened to them.
unit
5. Extension to History
What do you think could have happened? Talk to your teacher and classmates about it.
6
122
