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Similarly, you can use the other blocks to perform subtraction                 , multiplication
              and division          .


              Relational Operators

              Scratch has three operators that allow you to
              compare the relationship between two values

              or variables. It will compare two numbers and                             greater than
              decide whether it is true or false. These are
              greater than, less than and equals to.

              Look at the code to use greater than block.

              Similarly, you can use the other blocks to perform less than                            and equals to

                          .

              Logical Operators


              Using logical operators, you can combine two or more relational operators to produce a single
              true/false result. These blocks allow you to further refine your comparison of values.

                                                 The result is true only if the two expressions are true


                                                 The result is true only if either of the expressions is true


                                                 The result is true only if the expression is false



                        Experiential Learning                                                             Activity


                  Write the answer as True or False. Consider the AND and OR as logical operators.

                  1.  (I am a girl) AND (I am 9 years old)

                  2.  (I am a girl) OR (I am 9 years old)
                  3.  (I am a boy) AND (I am 9 years old)

                  4.  (I am a boy) OR (I am 9 years old)
                  5.  (I am in Grade V) AND (I live in India)





              SENSING BLOCKS


              Sensing blocks in Scratch sense the input from the keyboard or the mouse at the time of
              execution of a script. Some of the sensing blocks and their functions are given below:







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