De Morgan's Laws

Links to Activity

Main Concepts


De Morgan’s laws

Venn Diagrams

Truth Tables


15 minutes

Summary of Activity

This simple activity draws on various ways of thinking to reinforce the understanding of De Moragn’s laws. Students observe and describe De Morgan’s laws through Common sense, Venn Diagrams, Truth tables and English.

Notes and Insights

It is a quick assignment that I usually hand out after studying De Morgan’s laws. But it could be handed out before discussing the identities and used as a discovery assignment.