SINGAPORE - When Hwa Chong Institution student Wee Sue Yin was four years old, instructors at her mental arithmetic enrichment class discovered she had an innate ability to understand numbers.
By the age of six, she had been crowned world champion in mental arithmetic in the Mental Arithmetic Online International Competition in Taiwan. Now, she has been recognised by the Singapore Book of Records (SBOR) as the nation’s fastest in mental multiplication.
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