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Chapter 8 · Word Games and Logic

No.170

Yes-or-No Questions

Japanese name: イエスノー質問ゲーム

Materials

  • Paper
  • Pencil
  • Counters or marks to track the number of questions

How to play

  1. Choose an answer-setter, who secretly selects an animal or everyday object, writes it down, and keeps the paper face down. Limit answers to things everyone knows.
  2. Others take turns asking yes-or-no questions, such as “Is it alive?” or “Is it used indoors?”
  3. The answer-setter replies “Yes,” “No,” or “I don't know.” Briefly record questions and answers to avoid repeating them.
  4. An attempted guess also uses one question. Try to identify the answer within 20 questions. Reveal it when guessed correctly or after question 20, then change answer-setters.

Ways to adapt

Younger primary school children: choose from six visible picture cards. Children in the middle primary school grades and up: use 20 questions. Older primary school children may agree on different questioning roles.

Sources and references