Realistic, OSAS-Format Tests with Detailed Solutions
Give your eighth grader the confidence to tackle any math problem. This edition includes 5 full-length Grade 8 math practice tests with
150 fully explained problems — built specifically for Oregon students.
Designed to help students prepare for the OSAS exam, typically administered in March–June.
Aligned to OR Standards (Oregon) curriculum standards and Common Core (CCSS).
💡 Why Families Choose This
Created for Oregon families — by a team that actually read your state’s math standards before writing a single page.
- 5 complete tests × 30 questions = 150 problems with full answer explanations
- Question formats mirror the real OSAS test: multiple-choice, short-answer, and extended response
- Detailed step-by-step explanations for every question
- Score tracking after each test so students see their growth
- Covers every Grade 8 math strand tested in Oregon
🎯 Designed for Oregon
This isn’t a national edition with a state sticker. It was written to cover what Oregon requires.
✨ What Makes It Special
- High-quality design with a friendly owl guide that keeps students motivated page after page
- Detailed answer explanations turn every mistake into a learning moment
- A friendly owl mascot guides kids through every topic — students love having a ‘math buddy’
- Realistic test-day conditions — timed format and scoring rubrics included
👨👩👧 Perfect For
- Parents looking for realistic test preparation at home
- Teachers seeking classroom test-prep materials
- Tutors identifying gaps and targeting weak areas
- Homeschool families assessing Grade 8 math proficiency
📚 Part of a Complete Series
Families who combine 2–3 books from the series see the strongest results. Browse the full collection.

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