Explore cryptography, secret codes, and ciphers! Students are introduced to the substitution cipher, which hides messages by replacing letters or groups of letters. Using patterns and perseverance, learn how to create hidden messages — and how to break secret codes!
| Registration | |
| Registration fee ($0) | $0.00 |
| Registration ($0) plus $25 donation to support families in need | $25.00 |
| Free for MoMath members | $0.00 |
| Fee waived (for families with financial need; max 1 session per family) | $0.00 |