The first round of Group play has finished and now the remaining teams start the second round of play. The teams have already played a lot of matches. How many? And, how many matches are left?

Clicking on this image will show it larger in a new window. https://worldcuppass.com/bracket/
The activity: WorldCup2023-HowManyMatchesLeft.pdf
CCSS: 4.NBT, 4.OA, 5.OA, 7.G, 7.SP, MP1
For members we have an editable Word docx and our solutions.