The activity is a cross curricular activity with social studies. The activity teaches students how Romans and Egyptians used codes to communicate with one another. In the activity I will use our alphabet to make codes called ciphers.
Before the Activity
Students should have previous knowledge of ancient civilations from their social studies classed to make the lesson relavent.
During the Activity
In addition to the lesson plan attached navigator can be used with the homework section of the worksheet. By using screenshots students an send their own ciphers. Also by using a quick poll students can send their guesses to the substitution ciphers.
After the Activity
An extention of this activity could be using addition and multiplication problems with ciphers. A possible worksheet is attached to the lesson plan.
This activity was adapted from the Merrill Pre-Algebra text.