using double to add

6+7=13

I know that

so

6+6=12

                      12+1 more=13

What I know about the Olympic games now that I did not know before

• The  rings are linked together to show unity.
• The colours represent the colours of  the different countries’  flags
• The  Olympic  Games take place every 4 years
• The rings represent the continents. North America and South America form one ring.