We each did a tally of a few sentences from a book.
Then we made charts. We decided that as the numbers were so big, each square would have to stand for more than 1. At first we thought one square could be 5, but there still weren't enough squares so we decided on each square representing 10.
In both classes we found that E was the most common letter. Next came T and A.
People use letter frequency to work out codes.
For instance we have been looking at this message in code -
The code is going to be
too hard for anyone to
work out. There should
be a prize for anyone
who can decode it!