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Intro to Computingfundamentals~10 mins

Decomposition (breaking problems down) in Intro to Computing - Draw & Build Visually

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Draw This - beginner

Draw a flowchart to show how to make a cup of tea by breaking the task into smaller steps.

10 minutes
Hint 1
Hint 2
Hint 3
Grading Criteria
Start and End oval symbols present
Main task broken down into at least 5 smaller steps
Steps represented by rectangles
Flow direction clearly shown with arrows
Logical order of steps for making tea
Solution
  _________
 /         \
|  Start   |
 \_________/
      |
      v
  _______________
 | Boil water    |
 | (fill kettle) |
 | and switch on |
  ---------------
      |
      v
  _______________
 | Place tea bag |
 | in cup       |
  ---------------
      |
      v
  _______________
 | Pour boiling  |
 | water into cup|
  ---------------
      |
      v
  _______________
 | Let tea brew |
 | for 3-5 mins |
  ---------------
      |
      v
  _______________
 | Remove tea   |
 | bag          |
  ---------------
      |
      v
  _______________
 | Add milk or  |
 | sugar if you |
 | want        |
  ---------------
      |
      v
  _________
 /         \
|   End    |
 \_________/

This flowchart starts with the task of making tea. It breaks the task into smaller steps:

  • Boil water by filling the kettle and switching it on.
  • Place a tea bag in the cup.
  • Pour the boiling water into the cup.
  • Let the tea brew for 3-5 minutes.
  • Remove the tea bag.
  • Add milk or sugar if desired.

Each step is shown as a rectangle, and the process flows from start to end using arrows. This shows how decomposition breaks a big task into smaller, manageable steps.

Variations - 2 Challenges
[intermediate] Draw a flowchart to show how to get ready for school by breaking the task into smaller steps.
[advanced] Draw a flowchart to show how to prepare a simple sandwich by breaking the task into smaller steps, including a decision to add extra ingredients or not.