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Strengthen the foundation -- then build.
Locked-In is the perfect supplemental practice to self-study, tutoring, or formal test-prep courses. No searching for relevant practice problems, no guesswork, just a clear, 10-week plan to help students recall and strengthen the foundational math skills that together make up the PreACT 9 Secure problems. Strengthen the skills, build on them, and then practice, practice, practice. Our approach ensures that students walk in to test day well prepared.
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Exam aligned
We focus on the math skills students will use on the PreACT 9 Secure and give them consistent, rigorous practice.
10-week plan
Students advance through a clear, 10-week path: targeted foundational topic review, weekly cumulative review, and full cumulative practice in the final weeks. See the full program >
Detailed reports
Detailed reports show practice pacing and student performance by topic and subtopic so you can celebrate progress and identify areas for improvement.
34 problems in 45 minutes
Daily 34-problem practice helps students build stamina and confidence under PreACT 9 Secure timed-testing conditions.
Smart feedback
Detailed explanations and step-by-step solutions turn incorrect answers into learning opportunities.
Built for retention
Repeated exposure and cumulative reviews keep older math topics fresh.
How It Works
Weekly Subjects + Daily Topics
Weeks 1 - 7
Students complete topic-related practice problems for a single subject: Foundations and Number Theory; Operations and Expressions; Algebra; Data, Probability, and Applications; or Geometry. For example, a student might complete Geometry > Area and Perimeter problems on Week 5, Day 3 practice.
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Weeks 8 - 10
Students complete daily, exam-aligned, mixed-topic practice.
Daily Practice
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Log in to the practice portal and select the week and day of your practice.
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Days 1 - 4: Practice a foundational topic related to the subject of the week (ex: Algebra > Inequalities, or Geometry > Triangles).
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Day 5: Complete a cumulative weekly practice that covers all topics from the week.
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Day 6: Complete a cumulative review that covers topics from the current week as well as from all previous weeks. This keeps foundational topics fresh and ensures that nothing is left behind.
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Day 7: Use this day to rest and reset.
Explanations, Reports, and Analytics
At the end of each practice, view practice-session results as well as detailed explanations and step-by-step solutions.
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Finally, review detailed reports and analytics that show progress for subjects, topics, and even time taken--an important factor when building stamina.
