“This was the best money I have ever spent on a teaching tool.” ~ a teacher in Wisconsin
How quickly can you break the numeric code?
Let’s encode and decode secret messages like Julius Caesar!
Who can guess the codeword first?
Let’s use factors to encode and decode words.
Let’s encode some secret messages with a cipher that was actually used during the American Civil War!
Now let’s try the Path Cipher – a cipher that mixes things up even more than Zig Zag did.
Let’s try a cipher that doesn’t substitute new letters or shapes. We just mix things up.
Scrambled up somewhere in 161,000 is a first name. Can you find it!?
