The 2021 World City Cup Abacus, Mental Arithmetic & Mathematics Competition was held online on the night of Saturday, August 21, 2021.
Registration for the 2021 World City Cup is open until July 3. A registration form for CAAA students can be found here.
Please note that CAAA is only registering students of CAAA teachers. While CAAA is the host association for this year's World City Cup, each city is responsible for registering its own students. Please contact your home abacus association for registration information.
Rules & Registration Information
Full size flyers can be found on the 2021 World City Cup Flyers page.