A topic-by-topic breakdown of math questions on the ACT — December 2024 (US) sitting. Use this to find which study topic each question is testing, and re-drill the ones you missed.
ACT Math Fall 2024 8 featured questions
The ACT — December 2024 (US) paper covered every category in the ACT Math taxonomy. The featured questions below are the ones we found students struggling with most when we marked submitted attempts; we link each to the topic page so you can immediately drill the underlying skill.
Most students who stalled on this paper did so because of a small handful of weak topics — typically two or three categories. The pattern in your wrong answers is more important than your raw score, so look at which topics show up below, not just how many you missed.
Volume and Surface Area — Question 34 on the ACT — December 2024 (US) test draws on Volume and Surface Area. Most students who missed it confused the setup; review the topic page and re-attempt.
Matrices (Basic) — Question 51 on the ACT — December 2024 (US) test draws on Matrices (Basic). Most students who missed it confused the setup; review the topic page and re-attempt.
Algebraic Expressions — Question 21 on the ACT — December 2024 (US) test draws on Algebraic Expressions. Most students who missed it confused the setup; review the topic page and re-attempt.
Area and Perimeter — Question 5 on the ACT — December 2024 (US) test draws on Area and Perimeter. Most students who missed it confused the setup; review the topic page and re-attempt.
Circles — Question 11 on the ACT — December 2024 (US) test draws on Circles. Most students who missed it confused the setup; review the topic page and re-attempt.
Parallel and Perpendicular Lines — Question 28 on the ACT — December 2024 (US) test draws on Parallel and Perpendicular Lines. Most students who missed it confused the setup; review the topic page and re-attempt.
Arithmetic Operations — Question 57 on the ACT — December 2024 (US) test draws on Arithmetic Operations. Most students who missed it confused the setup; review the topic page and re-attempt.
Graphs of Trig Functions — Question 53 on the ACT — December 2024 (US) test draws on Graphs of Trig Functions. Most students who missed it confused the setup; review the topic page and re-attempt.
Pick your three weakest topics from the breakdown above and work through their dedicated pages. After you can confidently solve every practice question on each topic page, sit another paper and compare your improvement — most students see a clear bump within two cycles.
Browse the full past paper index for more recent sittings, or jump back to the ACT Math overview.