Build mental-math accuracy, speed, and confidence for UIL High School Number Sense.
The Forensics Files 2026–27 Complete Coaching & Practice System gives beginning and experienced competitors a structured path from understanding efficient methods to completing timed, mental-only practice contests. Students learn why shortcuts work and when to use them.
What's included:
30 instructional lessons with 60 original worked examples.
A 40-question diagnostic with placement guidance.
30 targeted, 12-question drills—360 focused practice problems.
Six 20-question mixed mini-tests—120 timed practice problems.
Eight full-length, 80-question practice contests—640 full-contest problems.
Complete answers and mental solution guides for reviewing methods and correcting errors.
A twelve-week coaching curriculum with beginner and experienced-student pathways.
Competition strategy, reproducible progress-tracking tools, and study reference sheets.
1,160 assessment and practice problems, plus 60 worked examples.
Broad topic coverage: arithmetic, fractions, decimals, percentages, number properties, powers and roots, algebra, sequences, geometry, probability, bases, trigonometry, matrices, and introductory calculus concepts. Lessons emphasize efficient mental methods, accuracy, and appropriate estimation.
Coach-ready organization: Linked navigation, printable student practice, and a separate coach answer-and-solution section make it easy to plan instruction and distribute exercises. Includes editable Word and printable PDF formats.
Designed specifically for high school Number Sense and mental-only practice. Study reference sheets are learning aids, not materials to use during timed contest simulations.
Digital ZIP download. No physical item will be shipped. Independent preparation material from The Forensics Files; not affiliated with or endorsed by UIL.

















