# Electricity

## Boolean Algebra and its Application to Problem Solving and Logic Circuits

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## Lesson Plan 3

### Topic: Constructing Truth Tables

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Objectives
The students will be able to construct truth tables representing different compound statements
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Development
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- ____ (a) Review the different types of connectives that can be used to generate compound statements.
- ____ (b) Choose the and connective ( ^ ) and make a compound statement
Example- ____ P = today is Tuesday
- ____ Q = I have a math class
- ____ ____ Today is Tuesday and I have a math class.
- ____ (c) Examine the possibilities that can result from this statement
- ____ (d) Construct truth table on C.B.
- ____ (e) Stress the use of the vocabulary
- ____ ____ (i) Component
- ____ ____ (ii) Logical possibilities
- ____ ____ (iii) Conjunction of P and Q
- ____ ____ ____ Example the results of the truth table.
- ____ ____ Leading questions
- ____ ____ ____ (a) In what case is P ^ Q true?
- ____ ____ ____ (b) When is the statement false?
- ____ ____ ____ (c) How many possibilities will there be?
- ____ (f) Choose different statements and use different connectors to form compound statements: Use similar reasoning to form truth tables
- ____ ____ Emphasis on “and”, “or” and “not”.

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Evaluation
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- ____ (a) Have students generate their own statements and form truth tables.
- ____ (b) Give simple examples for students to complete.

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Problems
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(a) (P). (b) P ^ Q. (c) P ^ Q (d) (P ^ Q)