ACT Change Log

This is a living document that we will update with information about the changes in each new version of our ACT practice tests. 

Tuesday, June 9th, 2026

• Enhanced Test #7 (Version 1.1) 
  • Reading
    • Revised Question 11

Tuesday, May 19th, 2026

• The following practice exercise set has been added:
  • Complete Science Passages: Research Summaries #2

Monday, May 18th, 2026

• The following practice exercise sets have been added: 
  • Mixed English Practice #16 (full passage) 
  • Mixed English Practice #17 (short) 
  • Mixed English Practice #18 (full passage) 
  • Complete Reading Passages: Literature #5
  • Complete Reading Passages: Literature #6

Friday, May 15th, 2026

• The following practice exercise sets have been added: 
  • Word Meanings and Word Choice: Tone #2
  • Word Meanings and Word Choice: Tone #3
  • Word Meanings and Word Choice: Tone #4
  • Word Meanings and Word Choice: Tone #5
  • Word Meanings and Word Choice: Tone #6
  • Text Structure #3
  • Text Structure #4
  • Text Structure #5
  • Purpose and Point of View #6
  • Purpose and Point of View #7
  • Purpose and Point of View #8
  • Purpose and Point of View #9
  • Purpose and Point of View #10
  • Hard Social Sciences #1
  • Hard Social Sciences #2
  • Hard Social Sciences #3
  • Hard Social Sciences #4
  • Hard Science #1
  • Hard Science #2
  • Hard Science #3
  • Hard Science #4
  • Hard Literature #1
  • Hard Literature #2
  • Hard Literature #3
  • Hard Literature #4
  • Hard Humanities #1
  • Hard Humanities #2
  • Hard Humanities #3
  • Hard Humanities #4
  • Mixed English Practice #7 (short) 
  • Mixed English Practice #8 (full passage) 
  • Mixed English Practice #9 (short) 
  • Mixed English Practice #10 (full passage) 
  • Mixed English Practice #11 (full passage) 
  • Mixed English Practice #12 (full passage) 
  • Mixed English Practice #13 (short) 
  • Mixed English Practice #14 (full passage) 
  • Mixed English Practice #15 (full passage)

Thursday, May 14th, 2026

• The following practice exercise sets have been added: 
  • Integration of Knowledge and Ideas: Arguments #2
  • Integration of Knowledge and Ideas: Arguments #3
  • Integration of Knowledge and Ideas: Arguments #4
  • Integration of Knowledge and Ideas: Arguments #5
  • Word Meanings and Word Choice: Vocabulary #6
  • Word Meanings and Word Choice: Vocabulary #7
  • Word Meanings and Word Choice: Vocabulary #8
  • Word Meanings and Word Choice: Vocabulary #9
  • Word Meanings and Word Choice: Vocabulary #10
     

Monday, April 20th, 2026

• The following practice exercise set has been updated: 
  • Punctuation #1: added Questions 17–20
     

Monday, April 13th, 2026

• Enhanced Test #3 (Version 1.4) 
  • Science
    • Revised Passage III 
    • Revised Question 13
    • Revised Question 15

Friday, March 27th, 2026

• The following practice exercise set has been updated: 
  • Transitions #1
    • Revised Question 2

Monday, March 16th, 2026 

• Enhanced Test #10 (Version 1.1) 
  • English
    • Revised Question 3

Friday, March 6th, 2026

• Enhanced Test #3 (Version 1.3) 
  • English
    • Revised Question 27
• Enhanced Test #4 (Version 1.1) 
  • English
    • Revised Question 37

The following practice exercise sets have been added:

• Vectors #2
• Divisibility and Remainders #2
• Geometry with Quadratic Equations #1
• Applications with Special Right Triangles #2
• Estimating Slope #1

Tuesday, March 3rd, 2026

The following practice exercise sets have been updated: 

• Central Ideas, Themes, and Summaries #1
  • Revised passage for Questions 3 and 4
• Central Ideas, Themes, and Summaries #2
  • Revised passage for Questions 4 and 5
• Close Reading: Details #1
  • Revised passage for Questions 3 and 4
• Close Reading: Details #2
  • Revised passage for Question 5
• Close Reading: Inference #1
  • Revised passage for Questions 4 and 5
• Text Structure #2
  • Revised passage for Question 1
• Word Meanings and Word Choice: Vocabulary #1
  • Revised passage for Questions 3 and 4
• Word Meanings and Word Choice: Vocabulary #2
  • Revised passage for Questions 4 and 5
• Word Meanings and Word Choice: Vocabulary #3
  • Revised passage for Question 1
• Probability After Multiple Events #1
  • Revised Question 5

Tuesday, February 10th, 2026

• Enhanced Test #5 (Version 1.1) 
  • Reading
    • Revised Question 21
    • Revised Question 26
       

Monday, February 9th, 2026

The following practice exercise sets have been added: 

• Finding Information (Full Passages) #2
• Hypothetical Experimental Changes (Full Passages) #2
• Experimental Design #2
• Contrasting Viewpoints #2

The following practice exercise set has been updated: 

• Misplaced Modifiers #3
  • Revised Question 1 
• All legacy Math practice exercise sets have been updated to have four answer choices instead of five.

Wednesday, January 28th, 2026

The following practice exercise sets have been added: 

• Operations with Matrices #1
• Operations with Matrices #2
• Changes in Mean, Added Value #1

Monday, January 26th, 2026

• Enhanced Test 1 (Version 1.4) 
  • English
    • Replaced Question 19
  • Math
    • Minor revisions to Questions 14, 26, 28, and 32

Thursday, January 22nd, 2026

The following practice exercise set has been replaced: 

• Finding Information (Full Passages) #1

Thursday, January 15th, 2026
 

The following practice exercise sets have been added: 

• Close Reading: Details #7
• Close Reading: Details #8
• Close Reading: Details #9
• Close Reading: Details #10
• Purpose and Point of View #2
• Purpose and Point of View #3
• Purpose and Point of View #4
• Purpose and Point of View #5
• Close Reading: Cause and Effect #4
• Close Reading: Cause and Effect #5
• Close Reading: Comparisons #4
• Close Reading: Comparisons #5
• Close Reading: Inference #4
• Close Reading: Inference #5
• Close Reading: Sequence #4
• Close Reading: Sequence #5
• Topic Development: Purpose and Focus #2
• Topic Development: Purpose and Focus #3
• Topic Development: Purpose and Focus #4
• Topic Development: Purpose and Focus #5
• Topic Development: Purpose and Focus #6
• Misplaced Modifiers #2
• Misplaced Modifiers #3
• Misplaced Modifiers #4
• Misplaced Modifiers #5
• Parallelism #2
• Parallelism #3
• Parallelism #4
• Parallelism #5
• Punctuation #2
• Punctuation #3
• Punctuation #4
• Punctuation #5
• Punctuation #6
• Run-Ons and Comma Splices #2
• Run-Ons and Comma Splices #3
• Run-Ons and Comma Splices #4
• Run-Ons and Comma Splices #5
• Subject-Verb Agreement #2
• Subject-Verb Agreement #3
• Subject-Verb Agreement #4
• Subject-Verb Agreement #5
• Subordinating Conjunctions #2
• Subordinating Conjunctions #3
• Subordinating Conjunctions #4
• Subordinating Conjunctions #5
• Verb Tense #2
• Verb Tense #3
• Verb Tense #4
• Verb Tense #5
• Verb Tense #6
• Organization and Cohesion #2
• Organization and Cohesion #3
• Organization and Cohesion #4
• Organization and Cohesion #5

Tuesday, January 13th, 2026
 

• Enhanced Test 8 (Version 1.1)
  • Math: Updated Question 38
     

Wednesday, December 10th, 2025

• Legacy Test 1 (Version 2.2)
  • Science: Updated Question 13
• Legacy Test 2 (Version 2.1)
  • Reading: Updated Question 30
  • Science: Updated Question 3 

Tuesday, December 2nd, 2025

The following practice exercise set has been updated: 

• Word Meanings and Word Choice: Tone #2 was renamed to Style and Tone #3

Monday, December 1st, 2025

The following practice exercise sets have been added: 

• Plurals and Possessives #1
• Plurals and Possessives #2
• Prounouns #2
• Style and Tone #2
• Verb Forms #2
• Fragments – Easy #2
• Fragments – Easy #3
• Fragments – Easy #4
• Fragments – Easy #5
• Idioms – Easy #2
• Idioms – Easy #3
• Idioms – Easy #4
• Idioms – Easy #5
   

Tuesday, November 25th, 2025

The following practice exercise sets have been updated: 

• Fragments #1: renamed to Fragments - Easy #1 
• Idioms #1: renamed to Idioms - Easy #1
   

Wednesday, November 12th, 2025

• Enhanced Test 1 (Version 1.3) 
  • Reading: Updated Question 36
• Enhanced Test 2 (Version 1.2)
  • Math: Updated Question 45
• New Math Practice Exercise Sets:
  • Simplifying Square Roots with Variables #1
  • Inference from Sample Statistics #1
  • Solving Quadratic Equations #2
  • Measures of Center and Spread #2
  • Divisibility and Remainders #1
  • Ellipses #1
  • Trigonometry Ratios #2
  • Solving Rational Equations #1 (Combining Fractions)
  • Solving Rational Equations #2 (Factoring)
  • Solving Polynomial Equations #1
  • Multiplying Binomials #1
  • Multiplying Binomials #2
  • Slope of Linear Equations #1
  • Slope of Linear Equations #2
  • Simplifying Radical Expressions #1

Friday, October 31st, 2025

The following practice exercise set has been added: 

• Complete Reading Passages: Literature #1
• Complete Reading Passages: Literature #2
• Complete Reading Passages: Literature #3
• Complete Reading Passages: Literature #4

Monday, September 29th, 2025

The following practice exercise set has been added: 

• Style and Tone #1

Wednesday, September 3rd, 2025

The following practice exercise sets have been added: 

• Mixed English Passage #5
• Mixed English Passage #6
• Central Ideas, Themes, and Summaries #4
• Central Ideas, Themes, and Summaries #5
• Close Reading: Cause and Effect #1
• Close Reading: Cause and Effect #2
• Close Reading: Cause and Effect #3
• Close Reading: Comparisons #1
• Close Reading: Comparisons #2
• Close Reading: Comparisons #3
• Close Reading: Details #6
• Close Reading: Inference #3
• Close Reading: Sequence #1
• Close Reading: Sequence #2
• Close Reading: Sequence #3
• Word Meanings and Word Choice: Tone #2

Tuesday, September 2nd, 2025

The following practice exercise sets have been added: 

• Complete Reading Passages: Humanities #1
• Complete Reading Passages: Humanities #2
• Complete Reading Passages: Humanities #3
• Complete Reading Passages: Humanities #4
• Complete Reading Passages: Science #1
• Complete Reading Passages: Science #2
• Complete Reading Passages: Science #3
• Complete Reading Passages: Science #4
• Complete Reading Passages: Social Sciences #1
• Complete Reading Passages: Social Sciences #2
• Complete Reading Passages: Social Sciences #3
• Complete Reading Passages: Social Sciences #4
• Transitions #1
• Transitions #2
• Figurative Language #1
• Figurative Language #2
• Topic Development: Purpose and Focus #1
• Organization, Unity, and Cohesion #1
• Redundancy #2
• Word Meanings and Word Choice: Vocabulary #5

Friday, August 29th, 2025

The following practice exercise sets have been updated: 

• Science: Inference: Removed Question 5
• Circle Area and Circumference: Updated Question 7

Friday, August 22nd, 2025

Tests Updated: 

• Enhanced ACT #2 (v. 1.1)
  • Science
    • Revised graphs for Passage I, Passage III, and Passage V
• Enhanced ACT #3 (v. 1.2) 
  • Science
    • Revised graphs for Passage VI
• Enhanced ACT #4 (v. 1.0)
  • Science
    • Revised graphs for Passage VII

Tuesday, August 19th, 2025

The following practice exercise set has been updated:

• Mixed English Practice #4: Pluto 
  • Replaced Question 7
  • Revised Question 8
  • Replaced Question 10
  • Replaced Question 11

Monday, August 18th, 2025

The following practice exercise sets have been updated: 

• Conjunctions #1
  • Replaced Question 1
• Mixed English Practice #3: Kevlar
  • Revised Question 6
  • Revised Question 8
  • Revised Question 9
  • Replaced Question 10
  • Revised Question 11
• Mixed English Practice #4: Pluto
  • Revised Question 1
  • Replaced Question 2
  • Replaced Question 3
  • Replaced Question 5
  • Revised Question 6

Friday, August 15th, 2025

The following practice exercise sets have been updated: 

• Misplaced Modifiers #1
  • Revised Question 1
  • Revised Question 2
  • Revised Question 3
  • Revised Question 5
• Parallelism #1
  • Revised Question 1
  • Revised Question 2
  • Revised Question 3
  • Revised Question 4
• Run-Ons #1
  • Replaced Questions 1–5
• Pronouns #1
  • Revised Question 1
  • Revised Question 2
  • Revised Question 3
  • Revised Question 4
  • Revised Question 5
• Verb Forms #1
  • Replaced Questions 1–5

Thursday, August 14th, 2025

The following practice exercise sets have been updated: 

• Close Reading: Inference #2
  • Revised Question 3
  • Revised Question 4
  • Revised Question 5
• Mixed English Practice #2: Esperanto
  • Replaced Question 1
  • Revised Question 4
  • Revised Question 7
  • Revised Question 8
  • Revised Question 11
• Idioms #1
  • Revised Question 1
  • Revised Question 2
  • Revised Question 3
  • Revised Question 4
  • Revised Question 5
• Redundancy #1
  • Revised Question 1
  • Revised Question 2
  • Revised Question 3
  • Revised Question 4
  • Revised Question 5
• Close Reading: Details #5
  • Added Question 5 (moved to Question 1 spot) 
  • Revised Question 2
  • Revised Question 3
  • Revised Question 4
• Subject-Verb Agreement #1
  • Revised Question 1
  • Revised Question 2
  • Revised Question 4
  • Revised Question 5

Wednesday, August 13th, 2025

The following practice exercise sets have been updated: 

• Close Reading: Details #3
  • Revised Question 1
• Mixed English Practice #1: Air Traffic Controllers
  • Revised Question 2
  • Revised Question 5
  • Revised Question 7
  • Revised Question 8
  • Revised Question 9
  • Replaced Question 11

Tuesday, August 12th, 2025

The following practice exercise set has been updated: 

• Close Reading: Details #1
  • Revised Question 4
• Word Meanings and Word Choice: Vocabulary #2
  • Revised Question 1
• Word Meanings and Word Choice: Vocabulary #3
  • Revised Question 4

Thursday, August 7th, 2025

• All Reading passages in the Enhanced tests have been reworded with contemporary language
• Enhanced Test 3 (Version 1.2)
  • Reading: Replaced question 18 with a new question
  • Math: Revised Question 27

Friday, August 1st, 2025

Updated the difficulty labels for the following tests’ Math sections and reordered questions

• Enhanced Test 1 (Version 1.2)
• Enhanced Test 2 (Version 1.1)
• Enhanced Test 3 (Version 1.1)

Monday, June 23rd, 2025

The following practice exercise sets have been added: 

Science

• Calculating and Extrapolating: Formulas, Estimation, and Arithmetic #1
• Experimental Design #1
• Finding Information: 1 Graphic #1
• Finding Information: 2 Graphics #1
• Hypothetical Experimental Changes #1
• Interpreting Data Trends #1
• Interpreting Experiments #1
• Understanding Viewpoints #1

Thursday, May 22nd, 2025

Added brand new tests: Enhanced ACT Test 3, 4, and 5, version 1.0!

Tuesday, April 15th, 2025

 

The following practice exercise set has been updated: 

• Fragments #1 
  • Question 4 updated
  • Question 5 updated 

The following practice exercise sets have been added: 

• Commonly Confused Words #2
• Commonly Confused Words #3
• Coordinating Conjunctions #2
• Subordinating Conjunctions #1

Monday, April 7th, 2025
The following practice exercise set has been updated: 

• Word Meanings and Word Choice: Tone #1
  • Questions 4 and 5 added to the set

Tuesday, April 1st, 2025

Test Changed: 

• Enhanced Test 1 (Version 1.1) 
  • English: Updated Question 11

The following practice exercise set has been updated: 

• Commonly Confused Words #1
  • Question 1: answer choices updated 
  • Question 3: answer choices updated 
  • Question 4: answer choices updated
  • Question 5: answer choices updated

Friday, March 14th, 2025

New practice exercise sets:

Math

• Angles of Isosceles Triangles #1
• Applications of Special Right Triangles #1
• Area on the Coordinate Plane #1
• Box Plots #1
• Changes in Data Sets #1
• Composition of Functions #1
• Conclusions from Variables #1
• Coordinate Geometry #1
• Dimensional Analysis #1
• Finding Mean from Graphs #1
• Finding Missing Value with Known Mean #1
• Fractional Part of Circles #1
• Fractional Parts #1
• Frequency Tables #1
• Inverse Functions #1
• Median of Histogram #1
• Multiplying by Conjugates #1
• Quadratic Equations from Solutions #1
• Scientific Notation #1
• Tangent Lines to Circles #1
• Venn Diagrams #1

The following practice exercise sets all have question(s) changed, added, or removed: 

• Close Reading: Details #1: Question 2 updated 
• Verb Tense #1: Question 1 updated

Thursday, February 27th, 2025

Added brand new tests: Enhanced ACT Test 1 and 2, version 1.0!

Friday, December 6th, 2024

The following practice exercise sets have been updated: 

• Word Meanings and Word Choice: Tone #1
  • Questions 1-3 updated
• Close Reading: Inference #1
  • Questions 1-5 updated
• Word Meanings and Word Choice: Vocabulary #1
  • Question 2 updated
• Word Meanings and Word Choice: Vocabulary #4
  • Questions 5-6 updated 
• Close Reading: Inference #2
  • Question 5 updated

Friday, November 22nd, 2024

The following practice exercise sets have been added: 

• Integration of Knowledge and Ideas: Arguments #1
• Integration of Knowledge and Ideas: Comparing Multiple Texts #1
• Integration of Knowledge and Ideas: Mixed-Information Texts #1
• Purpose and Point of View #1

Friday, November 1st, 2024

Test Changed:

• Test 1 (Version 2.0)
  • English: Updated Question 2
  • Updated a few line references in English (Question 38) and Reading (Question 12, 28, 29, and 34)

The following practice exercise sets have been renamed:

• Craft and Structure #1–2 to Text Structure #1–2
• Details #1–5 to Close Reading: Details #1–5
• Key Ideas #1–3 to Central Ideas, Themes, and Summaries #1–3
• Inference #1–2 to Close Reading: Inferences #1–2
• Tone/Style/Attitude to Word Meanings and Word Choice: Tone #1
• Vocabulary in Context #1–4 to Word Meanings and Word Choice: Vocabulary #1–4

The following practice exercise sets have been updated: 

• Text Structure #1: answer explanations added
  • Question 1 question and answer choices updated 
  • Question 2 answer choices updated
  • Question 3 answer choices updated
  • Question 5 passage, question, and answer choices revised 
• Text Structure #2: answer explanations added
  • Question 2 passage and answer choices updated
  • Question 3 passage and answer choices updated 
  • Question 5 question and answer choices updated

Tuesday, April 23rd, 2024

Version 2.0

• Test 1 and 2 - These are new tests. 
  • All questions in the English, Reading, and Science sections were replaced with brand new questions. 
  • The Math sections has a mix of brand new questions as well as questions that were revised to improve clarity and adjust for difficulty.
• Test 3 - Replaced Reading passage 2 (questions 11–19) with a brand new passage and corresponding questions
• Test 4 - Replaced Reading passage 1 (questions 1–10) with a brand new passage and corresponding questions