Valentine’s Day Codes

Teach your students about basic cryptography and code making.

Word Ladder: Fly to Bee (6-steps)

COLD to COOL. BAND to SING. Change one letter at a time — can you find the path?

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!

Word Pyramid: H to CRASH

Add a letter at each step to form a new word. Can you connect the starting point and ending point?

Word Ladder: Fast to Race (4 step)

COLD to COOL. BAND to SING. Change one letter at a time — can you find the path?