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Grades 9–12 · ages 14–18

Free thinking games for Grades 9–12

Advanced logic, probability, analytical reasoning, and AI literacy: sources, bias, and prompts. Every activity below is free, works without an account, and is already set to Grades 9–12.

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Free activities for Grades 9–12

  • Catch the AI

    34 puzzles

    Several statements, one hidden mistake. Spot the one the pretend AI got wrong, and learn why.

    Play Catch the AI

  • Think First, Then Check

    32 questions

    Lock in your own answer first. Then see what a pretend AI suggests, and compare. Patterns, logic, and more.

    Play Think First

  • Daily Puzzle

    New every day

    One puzzle a day for each grade band, the same for every family. A shareable result and a family-mode tip. No streaks, no pressure.

    Try today's puzzle

  • Pattern Builder

    24 patterns

    Find the rule in a row of shapes and pick the piece that completes it.

    Play Pattern Builder

  • Sequence Recall

    24 sequences

    Study a short sequence for as long as you like, then answer a question about it. No timer.

    Play Sequence Recall

  • Fact or Fake

    26 claims

    A pretend AI makes a claim. Is it a fact, or is it fake? Then learn how to check.

    Play Fact or Fake

  • Logic Grids

    22 puzzles

    Use the clues to work out who has what. A scratch grid helps you keep track.

    Play Logic Grids

  • Word Analogies

    24 analogies

    Hot is to cold as up is to …? Find the connection, then use it again.

    Play Word Analogies

  • Ask a Better Question

    23 questions

    Pick the better question to ask an AI helper: clear, safe, and useful.

    Play Ask a Better Question

  • Printable sheets

    6 sheets + answer keys

    Pattern finding, spot the mistake, number patterns, and more for your grade band. Black-and-white friendly, away from the screen.

    See printables

What Grades 9–12 practices

  • Spotting made-up citations, bias and overconfident AI answers
  • Probability and analytical reasoning
  • Four-variable logic grids
  • Precise analogies
  • Prompting for evidence, uncertainty and counterarguments

It's practice, not a test: no scores that label your child, and no promises about grades.

Printable sheets

Try it together

Talk about a real AI answer they saw this week. What would they check first?

Other grade bands