Working with codes can be tricky. That’s why practicing helps.
Take your time, write it down on a piece of paper, and double-check if something doesn’t make sense.
- Write down the first thirteen letters of the alphabet in a row. Underneath, match up the next thirteen letters.
- When you want to write the message, for a letter in the top row like the letter M, use the letter right underneath, which is the letter Z. For a letter on the bottom row like the letter T, use the letter just above, which is the letter G.
13-letter swap key:
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z
Code this message using the 13-letter swap:
Check the dog’s collar for the message
Decode this message using the 13-letter swap:
SVAQ GUR ZVFFVAT NEG CEBWRPG ORUVAQ GUR TVNAG JNYY ZNC
Click the + to reveal the answers!