Fletcher ThompsoninPuzzle SphereCan You Find the Missing Number?There’s a trick to do it in seconds.22h ago122h ago1
Fletcher ThompsoninPuzzle SphereWrite for Puzzle SphereEveryone is welcome — just leave a comment on this article and I’ll add you as a writer.3d ago23d ago2
Fletcher ThompsoninILLUMINATIONMy Contribution to the World Of MathsI was given a scientific calculator for my 3rd birthday. It’s a strange present to give a 3-year-old and I didn’t do much but chew on it…5d ago45d ago4
Fletcher ThompsoninPuzzle SphereHow Many Digits Does This Number Have?That’s going to be quite a big number. It’s going to take a couple of tricks to figure how long it would be if we wrote it down.5d ago15d ago1
Fletcher ThompsoninModern MathematicsWhat Is the Area of a Regular 100-sided Shape?What about any regular n-sided shape?5d ago5d ago
Fletcher ThompsoninPuzzle SphereWhen Does Integrating a Function Give a Power Of Itself?This is a complete answer to an earlier article I wrote. That article covered the case n = 2, i.e. when integrating a function gives its…Jun 291Jun 291
Fletcher ThompsoninModern MathematicsWhat Is the Volume of a Tetrahedron?A formula you don’t learn at school.Jun 272Jun 272
Fletcher ThompsoninILLUMINATIONHow to Divide Numbers in Your HeadMy quick method of mental division.Jun 231Jun 231
Fletcher ThompsoninILLUMINATIONHow to Measure the Height of Anything With TrigonometryWithout leaving the ground.Jun 201Jun 201
Fletcher ThompsoninPuzzle Sphere£10M or 1p Every Second?I’m sick of seeing this type of question on social media. Both choices are life-changing sums of money — you’ll never have to work again.Jun 202Jun 202