DeMorgan's Law



Lesson Plan #12

Class: Geometry Date: Wednesday October 21st/Thursday October 22nd

Topic: De Morgan’s Law Aim: How do we use De Morgan’s Law?

HW #12:

Page 5 of this lesson plan

Objectives:

1) Students will be able to use De Morgan’s Law.

Do Now:

1) 2)

3)

PROCEDURE:

Write the Aim and Do Now

Get students working!

Take attendance

Give Back HW

Collect HW

Go over the Do Now

Assignment #1: Complete the truth table

[pic] |[pic] |[pic] |[pic] |[pic] |[pic] |[pic] |[pic] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

What do we notice about the last column?

DeMorgan’s Law: Sample Test Question #1:

[pic]

Also, presented without proof:

[pic]

Sample Test Question #2:

[pic]

Assignment #2:

Assignment #3: - On Your Own

Venn Diagrams and De Morgan’s Law

U is the set of students currently attending Brooklyn Tech. A represents players from the football team at Brooklyn Tech. B represents players from the baseball team at Brooklyn Tech.

1) Shade in A 2) Shade in B 3) Shade in [pic]

4) Shade in [pic] 5) Shade in B 6) Shade in [pic]

7) Shade in [pic] 8) Shade in [pic] 9) Shade in [pic]

10) Shade in [pic] 11) Shade in [pic] 12) Shade in [pic]

[pic]

HW#12: Name __________________________________________ Date _____________________ Per. ____________

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They are named after Augustus De Morgan, a 19th-century British mathematician.

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