The only way to learn Mathematics is to do Mathematics. Sandra Immanuel & Sherwin Immanuel of Class 4 , Chennai Public School have proved this right. They have set a record in the Elite World Records by successfully solving Maximum Single Digit Mental Arithmetic Addition Problems (3 Rows) by an individual (female) in the clock time 3 Minutes. It was organised by Indian Records Academy in Chennai. CPS takes pride in congratulating Sandra & Sherwin for their achievement and wishes them more accolades in the future.