Fifth Chapter Lesson-5 Basic Mathematical problem related algorithm & flowchart.

At the end of this lesson-

  • 1. You will be able to write algorithm & flowchart for adding two numbers.
  • 2. You will be able to write algorithm & flowchart for subtracting two numbers.
  • 3. You will be able to write algorithm & flowchart for multiplying two numbers.
  • 4. You will be able to write algorithm & flowchart for dividing two numbers.
  • 5. You will be able to write algorithm & flowchart for converting temperature from Celsius to Fahrenheit.
  • 6. You will be able to write algorithm & flowchart for converting temperature from Fahrenheit to Celsius.
  • 7. You will be able to write algorithm & flowchart for determining area of a triangle where base and height have been given.
  • 8. You will be able to write algorithm & flowchart for determining area of a triangle where three arms have been given. 
  • 9. You will be able to write algorithm & flowchart for determining area of a rectangle.
  • 10. You will be able to write algorithm & flowchart for determining area of a circle.

 

1. Algorithm & flowchart for adding two numbers.

  • Algorithm
  • Step-1: Start
  • Step-2: Input two numbers in variable a & b
  • Step-3: Calculate c=a+b
  • Step-4: Print value of c
  • Step-5: Stop

Practice: Write an algorithm & flowchart for adding five integer numbers.

 

2. Algorithm & flowchart for subtracting two numbers.

  • Algorithm
  • Step-1: Start
  • Step-2: Input two numbers in variable a & b
  • Step-3: Calculate c=a-b
  • Step-4: Print value of c
  • Step-5: Stop

3. Algorithm & flowchart for multiplying two numbers.

  • Algorithm
  • Step-1: Start
  • Step-2: Input two numbers in variable a & b
  • Step-3: Calculate c=a×b
  • Step-4: Print value of c
  • Step-5: Stop

Practice: Write an algorithm & flowchart for multiplying five integer numbers.

 

4. Algorithm & flowchart for dividing two numbers.

  • Algorithm
  • Step-1: Start
  • Step-2: Input two numbers in variable a & b
  • Step-3: Calculate c=a/b
  • Step-4: Print value of c
  • Step-5: Stop

Practice: Write an algorithm & flowchart for determining average of five integer numbers.

 

5. Algorithm & flowchart for converting temperature from Celsius to Fahrenheit.

Relation among different temperature scale C/5 = F-32 / 9 = K-273 / 5

  • Algorithm
  • Step-1: Start
  • Step-2: Input Celsius temperature in variable C
  • Step-3: Calculate F=(9C/5)+32
  • Step-4: Print value of F
  • Step-5: Stop

Practice: Write an Algorithm & flowchart for converting temperature from Celsius to Kelvin.

 

6. Algorithm & flowchart for converting temperature from Fahrenheit to Celsius.

Relation among different temperature scale C/5 = F-32 / 9 = K-273 / 5

  • Algorithm
  • Step-1: Start
  • Step-2: Input Fahrenheit temperature in variable F
  • Step-3: Calculate C=((F-32)5)/9
  • Step-4: Print value of C 
  • Step-5: Stop

 

Practice: Write an Algorithm & flowchart for converting temperature from Fahrenheit to Kelvin.

 

7. Algorithm & flowchart for determining area of a triangle where base and height have been given.

Theory for determining the area of a triangle where base and height of triangle have been given,  Area=1/2×base×height

  • Algorithm
  • Step-1: Start
  • Step-2: Input base and height of triangle in variable b & h
  • Step-3: Calculate  area=1/2×b×h
  • Step-4:  Print value of area
  • Step-5: Stop

8. Algorithm & flowchart for determining area of a triangle where three arms have been given. 

Theory for determining the area of a triangle where three arms of triangle are a, b and c,                           Area= √(s(s-a)(s-b)(s-c))   [ s= half of perimeter]

half of perimeter, s=(a+b+c)/2

  • Algorithm
  • Step-1: Start  
  • Step-2: Input three arms of a triangle in variable a, b and c
  • Step-3: Calculate s=(a+b+c)/2
  • Step-4: Calculate area= √(s(s-a)(s-b)(s-c)) 
  • Step-5: Print value of area     
  • Step-6: Stop

Flowchart:

9. Algorithm & flowchart for determining area of a rectangle.

Theory for determining area of rectangle where length and width have been given, Area=length×width  

  • Algorithm
  • Step-1: Start
  • Step-2: Input length and width of rectangle in variable l and w
  • Step-3: Calculate area=l×w 
  • Step-4: Print value of area    
  • Step-5: Stop

Practice: Write an Algorithm & flowchart for determining area of a parallelogram.

Practice: Write an Algorithm & flowchart for determining area of a square.

 

10. Algorithm & flowchart for determining area of a circle.

Theory for determining area of a circle where radius r, Area=πr2

  • Algorithm
  • Step-1: Start
  • Step-2: Input radius of circle in variable r
  • Step-3: Calculate area=πr2
  • Step-4: Print area
  • Step-5: Stop

 

Lesson Evaluation-

Knowledge Based Questions:

Comprehension Based Questions:

Creative Questions:

Multiple Choice Questions:

 


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