A 12-year-old Nigerian boy based in the UK has won a special award for recognition after making a shocking new discovery in mathematics.
The boy identified as Chika Ofili was presented with a special recognition award for making a new discovery in Maths, the Little mathematician just discovered a new formula for divisibility in maths.
Chika’s mathematic’s teacher, Miss Mary Ellis who is also the head of the mathematics department at Westminster Under School said he (Chika) discovered the new formula while solving a holiday assignment.
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She revealed that she gave Chika a book called First Steps for Problem Solvers (published by the UKMT) to study during the holidays.
The book had several divisibility tests that are used to quickly work out whether a number is exactly divisible by either 2, 3, 4, 5, 6, 7, 8 or 9 before you start dividing, but had no easy or memorable test listed for checking divisibility by 7.
Chika, however, solved this and also had an algebraic proof to back it up. His new formula involves taking the last digit of any whole number, multiplying it by 5 and then adding it to the remaining part of the number to get a new number. If this new number is divisible by 7, then the original number is divisible by 7.