Maximum six digit addition sums solved by a kid using pen and paper
The record for solving the maximum number of six digit addition sums using pen and paper was set by Anaisha Preshmi Premkumar (born on April 29, 2018) of Palakkad, Kerala (currently residing in UAE). She calculated and wrote the correct answers of 48 additional sums (each sum consisting of six digits in 2 rows) on a sheet of paper in 22 minutes, 47 seconds and 40 milliseconds at the age of 5 years and 9 days, as confirmed on May 8, 2023.
