Olympic flame

The olympic flame was started at the ancient  olympics  in olympia greece. Ignited by the sun the flame burnt until the olympics were finished
in olympia a curved mirror and the sun is used to light the olympic torch. Women in ancient white robes perform the ceremony. The torch is then passed from to runner to runner as it travels  from olympia to the host city.The most important event at the opening ceremony is the lighting of the flame .It burns for two
weekes until the games have concluded.

Part-Whole Subtraction

I used the 100s Board App to learn all about Part Whole Subtraction with my friend Paula.
Here is a recording of my learning.