From classrooms to kitchen tables, debates about math education are never far away. Should teachers drill multiplication ...

This math trick can help you multiply any two-digit number by 11. Arlene Resendiz is TikTok's resident math whiz. When she's not working as a professional tutor, she's teaching the internet the ...

The trick also does not work if you are 100 years old or older. If you were born in 1914 and wear a size 10 shoe, the trick would conclude that your shoe size is 11 and that you were 0 years old.