Lesson: 12 - CONDITIONAL STATEMENT – If-then else - 1

Purpose : To learn relative orientation and procedural operations. Students will also learn conditional statements clearly.x

Materials Required

Computer, Scratch 3.0, Internet connection, Blocky games.

Curriculum Content 5.5) Conditional statement

Prior knowledge

Students should know about directions (Left, Right, forward and backward), Simple if.

Exercises

Exercise:1


  1. Two animal sprites move from bottom to top. When they move above 0 of the Y axis both the sprite needs to say a message “Please help me”.


Exercise Video


  1. See the video for your reference.

Optional


Exercise:2


  1. (Blockly Maze Level 1 to 6) How will the person reach the goal?


Exercise:3


  1. (Blockly Maze Level 7) How will the person reach the goal?

Exercise:4


  1. (Blockly Maze Level 8) How will the person reach the goal?

Solutions


  • Click here to view the solution sb3 file for exercise-1
  • Click here to view the solution for 6th level in exercise-2
  • Click here to view the solution for exercise-3
  • Click here to view the solution for exercise-4

    • Teacher's Instruction
    1. Teachers should first teach the concept of conditionals and looping through unplugged card activity. Refer to lesson 10.
    2. The Blockly Maze activities are not mandatory. Children can play for all long as they are interested and have time. They can also play Bird and other games in Blockly. Note that these games also use simple loops which will be covered in more detail in the next.