If you have the letters masthiemxatliecttesrs and remove six letters what word would you have? ?

Question

This is a 4th grade question that my son got in his math class. I'm not sure if the answer is a 15 letter word or a six letter word.

Answer 1

You would think the word is Mathematics. But maybe the teacher is a special person.

Answer 2

mathematics

You remove s-i-x-l-e-t-t-e-r-s

Answer 3

You are actually removing the letters for the words Six and Letters to get the word Mathematics  

Answer 4

its mathematics, get it.you remove 'six letters' not ' 6 letters'.