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21 st   #Critical Thinking
                  4.  Application-based questions.                                          Century
                                                                                              Skills  #Technology Literacy
                        a.  What can we draw from the following stack of blocks:



                          when    clicked                                when   clicked
                               pen down                                       pen down

                          repeat  4                                      repeat
                            move 100      steps                            move          steps

                            turn     90  degrees                           turn        degrees





                           What changes would we need to make to the existing stack of blocks to create a triangle
                         instead of a square?
                        b.   Maya wants to draw a regular octagon (8-sided polygon) in Scratch. What angle should
                         she use for each corner to ensure that the octagon is correctly drawn?










                                                                                             21 st
                     LAB ACTIVITY                                                          Century   #Technology Literacy
                                                                                            Skills
                    Visit your computer lab and perform the following actions:
                    ▶  Create the following stack of blocks and execute each block to get result.

                       a.   when  clicked                    b.
                                                                   when     clicked
                            forever
                              turn   15  degrees                   forever
                                                                       move  20  steps
                                                                       if on edge, bounce



                    ▶  Draw the following shapes in Scratch.





                       a.                                    b.                           c.













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