Answer: 42.5 (Subtract 36 from 49, divide the answer by two. Add that number to 36 to get the answer). Answer: 888 + 88 + 8 + 8 + 8 = 1,000. What number do you get if you multiply all the numbers on a ...

A lot of trial and error is needed, and, although there are ways to help limit the set of possibilities, there isn’t a surefire method of arriving at a solution in ...

A man steals $100 from a shop—but how much does the shop owner actually lose? This viral riddle has stumped the internet with its tricky math. A man steals $100 from a shop. What happens next is the ...

Move over, worksheets and pencils! The team behind The Grapes of Math once again proves that posing number problems through verse and vivid pictures is a powerful path to math learning. With titles ...

The puzzle reads: 3 + 4 = 19 5 + 6 = 4 1 2 + 8 = 66 5 + 1 = ? At first glance, none of these make sense. According to standard math, 3 plus 4 is 7 — so how do we ...

WHO: James M. Vaughn Jr., heir to a fortune generated by the oil gushers of East Texas; English mathematician Sir Andrew Wiles; and seventeenth-century French amateur mathematician Pierre de Fermat.