1. Program Flow Control Selection & repetition
Unti-3
Program Flow Control
Selection & repetition

2. In this unit we will learn the following
Understand if-else statement
Program flow control repetition

4. Activity

5. 1. If else Statement

6. If-else Statement used to evaluate two statements.
If –else Statements
If-else Statement used to evaluate two statements.
Is A > B ?
Yes No
Print a is greater
Print b is greater

8. Programming If –else Statements

9. Page 91- Activity (a)

10. Page 92- Activity (b)

11. 2. elif Statements

12. Discuss : Traffic Signals Conditions
Ask them what they think of the if statment

13. True or False or maybe something in between ?
If statement explained , let them brain storm their ideas about if statement

14. The elif Statement
The elif statement combines the else and if and allows us to add more than one conditional statement

15. Activity – 95 (a)