February 4

How to turn periodic decimal fractions into usual fractions...
For example: 0.303030303... Call this number x. Then 100x=30.3030303....=30+x. So 99x=30, and x=30/99=10/33.

How to find areas of parallelograms...

And the game was to disentangle yourself.

Homework:

1. Write 0.270270270270... as a fraction.

2. Find the area of parallelogram in the picture:

3. Who is linked with whom: