Sources and creation policy

This quiz is independently created by this site. It is not affiliated with, endorsed by, or aligned to any specific textbook, workbook, school test, publisher, or chapter order.

Reference policy

We use broad learning areas from public curriculum information and general science knowledge as references. We do not copy textbook, workbook, drill, worksheet, test, or publisher material.

• Reference: MEXT Elementary School Curriculum Guidelines Commentary
• Reference: Japan Association of Educational Materials / copyright information
• Reference: Copyright Research and Information Center Q&A
• Reference: SARTRAS system overview

Internal creation rules

• Do not create questions while looking at textbook or workbook questions.
• Do not rewrite existing questions by changing only numbers, wording, choices, or drawings.
• Create question text, choices, explanations, hints, and diagrams independently.
• Use only self-made diagrams or materials with confirmed permissions.
• Do not use publisher names, textbook names, or textbook-aligned chapter labels in titles or descriptions.
• Review AI-generated questions manually and check that they are not too similar to existing materials.

Response flow for rights concerns

1. Temporarily hide the reported question or related page.
2. Check the reported content and creation record.
3. Revise or remove the content when needed.
4. Consult a qualified professional when legal judgment is necessary.

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