Valentine’s Day Codes

Teach your students about basic cryptography and code making.

Path Cipher (Codes Part 4)

Now let’s try the Path Cipher – a cipher that mixes things up even more than Zig Zag did.

Zig Zag Cipher (Codes Part 3)

Let’s try a cipher that doesn’t substitute new letters or shapes. We just mix things up.

Pig Pen Cipher (Codes Part 2)

Let’s encode some secret messages with a cipher that was actually used during the American Civil War!

Shift Cipher (Codes Part 1)

Let’s encode and decode secret messages like Julius Caesar!

Jotto

Who can guess the codeword first?

Ghost

Ghost is a word-building game for two players. The first person to create an actual word loses.