Coding a Story

This is an unplugged coding activity. It is an exercise that teaches the following of an algorithm. The algorithm contains all the control structures: sequences, decisions and loops. It is important for children to identify each structure and to notice the precision of the instructions. In the end children will create a christmas tree by following the instructions.

Caesar Cipher and Tabula Recta. Use these instruments to teach children cryptography. Keywords: encryption, cryptology, crytography.