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ACT Math · Complete study guide

Think Like a Top Scorer: ACT Math (2027)

The complete study guide is online in 61 chapters and about 97,000 words. It reviews each tested topic, solves sample problems step by step and ends each chapter with practice questions. The guide is part of the ACT Math course, which is free while CollegePrepRoom launches. Subscriptions at $3.99 per month will begin later.

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  1. Front matter and how to use this book16 min
  2. Diagnostic Test16 min
  3. Real and Complex Numbers6 min
  4. Exponents and Radicals5 min
  5. Vectors and Matrices7 min
  6. Part I Review5 min
  7. Linear Equations and Systems8 min
  8. Quadratic Equations8 min
  9. Other Types of Equations8 min
  10. Absolute Value6 min
  11. Part II Review5 min
  12. Function Notation and Composition8 min
  13. Polynomial Functions6 min
  14. Other Function Families6 min
  15. Function Transformations and Piecewise Functions7 min
  16. Inverse Functions6 min
  17. Sequences and Series7 min
  18. Logarithms6 min
  19. Part III Review6 min
  20. Lines, Angles, and Triangles6 min
  21. Congruence and Similarity7 min
  22. Right Triangles and Trigonometry5 min
  23. Circles and Conic Sections9 min
  24. Area and Volume6 min
  25. Coordinate Geometry5 min
  26. Trigonometry Beyond Right Triangles8 min
  27. Geometric Transformations8 min
  28. Circle Theorems10 min
  29. Geometric Reasoning and Constructions10 min
  30. Part IV Review9 min
  31. Center and Spread8 min
  32. Study Design and Sampling8 min
  33. Two-Variable Data and Models9 min
  34. Probability7 min
  35. Normal Distributions and Z-Scores9 min
  36. Statistical Inference12 min
  37. Part V Review8 min
  38. Rates, Percentages, and Proportions5 min
  39. Measurement and Unit Conversion4 min
  40. Averages in Context6 min
  41. Multi-Step Problems6 min
  42. Part VI Review4 min
  43. Using Desmos and Your Calculator2 min
  44. Choose the Best Solving Route2 min
  45. Backsolving, Plugging In, and Estimating5 min
  46. Question Archetype Index5 min
  47. The Error Ledger3 min
  48. Practice Choosing a Route6 min
  49. Hard Mixed Practice3 min
  50. Mixed Challenge Practice13 min
  51. Final Skills Check4 min
  52. Pacing the ACT Math Section7 min
  53. Timed Pacing Drill3 min
  54. Review Your Timing1 min
  55. ACT Math Test Day9 min
  56. ACT Math Reference5 min
  57. Full-Length Benchmark Test11 min
  58. Additional Practice Test 18 min
  59. Additional Practice Test 29 min
  60. Geometry and Trigonometry Timed Practice6 min
  61. Statistics and Probability Timed Practice8 min

Prefer a printed copy? Think Like a Top Scorer: ACT Math (2027) is also available in paperback on Amazon.