Decomposition Board

Break a large goal into smaller tasks, arrange their dependencies, test the plan, and correct the first problem.

Grade 3 · CMP-0011 / CMP-0013 · no voice

Task bank

Select only the smaller tasks that help accomplish the goal.

Your ordered plan

Choose useful smaller tasks, then put them in a logical order.
⌂ Orco Academy
🌱 Primary · Grades 3–5 · Computing

How “Decomposition Board” works

🎓 You are learning to: Break a large goal into smaller tasks, arrange their dependencies, test the plan, and correct the first problem.

Welcome! Three steps and you are learning:

  1. 📖 Read the challenge

    It tells you what to build, sort or fix.

  2. 🧪 Experiment

    Try things and watch carefully what happens. You can always reset.

  3. 🔧 Fix and improve

    Use the feedback like a detective: what clue tells you what to change?

💡 Top tip: if you get it wrong, that is useful — find out why before trying again.

Nothing you do here is saved or sent anywhere — experiment freely. Reopen this guide any time with the ? Help button.