Input Output Games

Story Adventure 01

The Mystery of the Magic Machine

Solve 25 quick puzzles with Pip and restore the Magic Machine.

  • 5 chapters
  • 5 puzzles each
  • Touch-friendly
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25 quick puzzles

Start the Magic Machine Adventure

Chapter 1 · Puzzle 1/5

0/25 solved

Math Forest

The Magic Machine

The forest sprite forgot the machine's rule. Help the first light glow again.

“Oh no! Which rule changes every input?”

Which rule works every time?

Choose an answer.

The story map

Five Function Machine Chapters

Each scene changes the story, while the math moves from recognizing a rule to working backward and predicting an output.

  1. 1 · 🌲

    Find the rule

    Compare several input and output pairs.

  2. 2 · 👾

    Feed the monster

    Work backward from the output it wants.

  3. 3 · 🤖

    Repair a robot

    Find the missing input for a known rule.

  4. 4 · 🏰

    Open the treasure door

    Use inverse thinking to unlock the crystal.

  5. 5 · 👽

    Translate the message

    Predict the missing output in a number pattern.

For grown-ups

One story, three ways of thinking

  • Notice: compare examples and identify a function rule.
  • Reverse: start from an output and recover the input.
  • Predict: apply the rule to a new number.