The record for being the youngest to perform single digit addition and subtraction was set by Vrushank V. Iyer (born on March 31, 2017) of Bengaluru, Karnataka. He performed 26 additions in 17 minutes and 5 seconds and 16 subtractions in 7 minutes and 41 seconds, at the tender age of 3 years, 5 months and 7 days, as confirmed on September 7, 2020.