Mathematics Gr 9: Book & Quiz

Koyo Education & Tools

Contains ads

About this app

Mathematics Grade 9 – Ethiopian Curriculum Textbook & AI Study Companion

Study Grade 9 Mathematics smarter with the Ethiopian curriculum textbook, chapter summaries, practice quizzes, progress tracking, bookmarks, and an integrated AI Tutor — all in one Android app.

Whether you're learning a new chapter, revising for an exam, or need help understanding a difficult topic, Mathematics Grade 9 gives you convenient study tools wherever you are.

📚 GRADE 9 MATHEMATICS TEXTBOOK

Read the textbook directly on your phone or tablet with a clean, student-friendly experience. Navigate chapters easily, continue from where you stopped, and study offline.

🤖 AI TUTOR

Ask the built-in AI Tutor questions about your Mathematics studies and receive clear explanations to support your learning. You can also copy useful textbook content for notes, sharing, or further explanation.

📝 CHAPTER SUMMARIES

Review important concepts with chapter-based summaries. Each chapter appears in the Summaries section so you can easily see and access available study content.

Locked content provides a clear Unlock option, which may require watching an optional rewarded ad. Once successfully unlocked and downloaded, you can return to that content without repeatedly watching an ad for the same unlock.

🧠 PRACTICE QUIZZES

Test your understanding with chapter-based Mathematics quizzes. Browse by chapter, unlock available quiz content when needed, and practice before exams or after completing a chapter.

📊 PROGRESS & BOOKMARKS

Track your reading progress, automatically continue from where you left off, and bookmark important pages for quick access later.

🌙 LIGHT & DARK THEMES

Choose Light, Dark, or System theme for comfortable studying during the day or at night.

📱 DESIGNED FOR PHONES & TABLETS

A modern Material 3 interface adapts to different supported screen sizes and orientations for a comfortable reading and study experience.

✨ KEY FEATURES

• Offline textbook reading
• Easy chapter navigation
• Reading-position restoration
• Reading progress tracking
• Chapter summaries
• Chapter practice quizzes
• Integrated AI Tutor
• Smart bookmarks
• Light, Dark & System themes
• Portrait & landscape support
• Copy & share textbook content
• Modern Material 3 interface

🌍 MADE FOR ETHIOPIAN STUDENTS

Mathematics Grade 9 is designed to make the Ethiopian Grade 9 Mathematics textbook more accessible and useful as a digital study resource.

⚠️ DISCLAIMER

This is an independently developed educational app. It is not affiliated with, endorsed by, sponsored by, or officially connected to the Ethiopian Ministry of Education, the Amhara National Regional State Education Bureau, or any other government organization.

This app is a digital study aid and is not an official government application.

📖 TEXTBOOK SOURCE & OFFICIAL REFERENCES

The textbook content is based on publicly available Ethiopian educational materials published or distributed by relevant educational institutions.

Official references:

FDRE Ministry of Education:
https://moe.gov.et/

Amhara National Regional State Education Bureau:
https://anrseb.gov.et/

These links are provided for source attribution and reference only. Their inclusion does not imply affiliation, endorsement, or official approval of this app.

🚀 Study Mathematics wherever you are

Read, revise with summaries, practice quizzes, save important pages, track your progress, and get additional help from the AI Tutor — all from one Grade 9 Mathematics study app.

If you find the app useful, consider leaving a rating or review. Your feedback helps us continue improving the learning experience for Ethiopian students. 🇪🇹

What’s new

What's new:
• Refreshed Material 3 design with improved phone and tablet layouts.
• Improved textbook navigation, Summaries, Quizzes, and Progress.
• Enhanced AI Tutor with textbook-aware learning support.
• Improved chapter unlock experience for Summaries and Quizzes.
• Improved Bookmarks and PDF reading experience.
• Updated ad layouts and advertising SDK.
• Performance, stability, and compatibility improvements.