Explore all four TACHS sections
TACHS Online Center
This TACHS Online Center brings together practice, lessons, flashcards and review tools. Choose the resource that matches the skill you want to work on next.
More TACHS Practice Forms
Choose a subject Online Center, select either independent timed form, and review its answer explanations.
TACHS Reading
Choose either timed form in the Reading Online Center, then review the answer explanations.
Choose a Reading test →
TACHS Written Expression
Choose either timed form in the Written Expression Online Center, then review the answer explanations.
Choose a Written Expression test →
TACHS Mathematics
Choose either timed form in the Mathematics Online Center, then review the answer explanations.
Choose a Mathematics test →
TACHS General Ability
Choose either timed form in the General Ability Online Center, then review the answer explanations.
Choose a General Ability test →
Mixed TACHS Study Path
Move between the four subject Online Centers and schedule practice across each area.
Build a study path →
Each subject Online Center has two independent practice forms. Open any Online Center to choose a form.
Jump into TACHS
See it. Understand it. Try it.
TACHS Quick Review turns each subject’s core ideas into short examples, clear reminders, and a next step. Start with one skill, then use its subject Online Center for lessons and practice.
Six ways into TACHS review
Every lesson starts with a visual explanation and ends with a chance to practice.
Join students who study with a clearer path
This online center connects four TACHS subject Online Centers with quick review, lessons, quizzes, and independent timed practice so students can choose a clear next step.

This is an unofficial TACHS preparation center from the Effortless Math team. TACHS and related marks belong to their respective owners; this page is not affiliated with or endorsed by them.
Start With A Practice Test
Start with a short form in one subject. Mark each question that felt uncertain, then use the outline to find a lesson or quick review for the skill behind it.
Take a diagnostic first
Choose a subject Online Center and try one timed practice form. Mark uncertain answers as you go.
Know what is tested
Use the TACHS outline to see which skill group connects to the question.
Fix one weak skill
Choose one topic, then review its explanation before taking another quiz.
Return to timed practice
After a lesson and quiz, take another form and check whether your approach feels steadier.
TACHS Snapshot
TACHS Test Outline
The current handbook describes four areas. Use this outline as a study map; it does not represent official score weights.
Reading
Find stated details, infer meaning, use textual evidence, understand vocabulary in context, and evaluate purpose and tone.
Topics covered
- Main idea and supporting details
- Inference and textual evidence
- Vocabulary and author’s purpose
Written Expression
Recognize correct usage and mechanics, revise sentences, and improve paragraph clarity and organization.
Topics covered
- Sentence completeness
- Fragments, run-ons, and agreement
- Usage, capitalization, and punctuation
Mathematics
Apply arithmetic, algebraic reasoning, data analysis, probability, geometry, and measurement.
Topics covered
- Number sense and operations
- Expressions, equations, and patterns
- Data, probability, geometry, and measurement
- Graphs and Functions
General Ability
Identify relationships among figures, track spatial changes, classify shapes, and reason through patterns.
Topics covered
- Figure matrices and rules
- Rotation, reflection, and paper folding
- Classification and sequence patterns
TACHS Reading Vocabulary Flashcards
Practice 100 numbered words for literary and informational passages, with original examples and a unique hint on every card.
Free TACHS Quick Review
Refresh common Reading, Written Expression, Mathematics, and General Ability ideas, then open a subject Online Center for the full review deck.
Reading · InferenceAn inference is a conclusion supported by clues in the passage. A context clue helps reveal a word’s meaning.›
Written Expression · SentencesA fragment lacks a complete thought. A run-on joins complete thoughts without correct punctuation or a conjunction.›
Written Expression · UsageAgreement matches words in number and person. Punctuation shows how ideas and sentences fit together.›
Mathematics · RatiosA ratio compares quantities by division. A percent is a ratio out of 100.›
General Ability · Figure rulesA matrix rule explains a pattern across rows or columns. Rotation turns a figure; reflection flips it.›
TACHS Skill Quizzes
Choose a subject, take either short quiz, and use the answer explanations to decide what to review next.
Reading: Main Idea and Evidence
Check stated details, main idea, and supported inferences.
Choose a quiz
Reading: Vocabulary and Structure
Review context clues, tone, and how passage ideas connect.
Choose a quiz
Written Expression: Sentence Boundaries and Usage
Practice complete thoughts, agreement, and standard usage.
Choose a quiz
Written Expression: Mechanics and Revision
Check punctuation, capitalization, and clear sentence revisions.
Choose a quiz
Mathematics: Number Sense and Ratios
Review operations, fractions, ratios, percents, and units.
Choose a quiz
Mathematics: Geometry and Data
Check measurement, shapes, graphs, averages, and probability.
Choose a quiz
General Ability: Matrices and Rules
Find relationships that continue across rows and columns.
Choose a quiz
General Ability: Spatial Patterns
Track rotations, reflections, classification, and sequences.
Choose a quiz
TACHS Topics: Learn, Practice, and Quiz
Choose a TACHS topic, open its subject Online Center for a lesson, then use a short quiz to check what you learned.
39 topics · quick reviews · quizzes
Reading
Written Expression
Mathematics
- Whole-number operations ReviewQuiz
- Integers and absolute value ReviewQuiz
- Fractions and decimals ReviewQuiz
- Ratios and percents ReviewQuiz
- Expressions and equations ReviewQuiz
- Sequences and patterns ReviewQuiz
- Tables and graphs ReviewQuiz
- Mean, median, mode, and range ReviewQuiz
- Probability ReviewQuiz
- Angles and triangles ReviewQuiz
- Area and perimeter ReviewQuiz
- Volume and measurement ReviewQuiz
- Scale and unit conversion ReviewQuiz
TACHS Skills Worth Reviewing
Use a missed question to identify one skill to revisit, then return to a quiz or timed form.
Reading: answer from evidence
Recheck the passage before choosing an inference. Find the words or details that support the answer.
Written Expression: check sentence boundaries
Look for a complete subject and verb, then check how each complete thought is joined.
Mathematics: track the units
Write the unit at each step of a word problem so conversions and operations stay clear.
General Ability: test the rule everywhere
Check the rule against every row, column, or figure before choosing an answer.
Mixed practice: slow down on directions
Notice whether a question asks you to select, compare, revise, or infer before answering.
Choose Your TACHS Prep Tool
Different study moments call for different tools. Choose one way in, then move to the next step when you are ready.
TACHS Practice Paths
Turn the resource library into a clear sequence. Choose the path that matches the subject or skill you want to work on.
Reading + Written Expression
For students who want a focused language review before returning to mixed practice.
- Main idea
- Text evidence
- Sentence correctness
- Revision
Mathematics
For students strengthening calculation, algebra, data, and measurement skills.
- Number sense
- Equations
- Data and probability
- Geometry
General Ability + Mixed Review
For students building spatial reasoning and checking progress across subjects.
- Figure rules
- Spatial change
- Classification
- Timed forms
TACHS Study Center for Beginners 2026
A step-by-step starting point for students who want to understand all four sections before moving into mixed, timed practice.
- Choose the subject Online Center that fits your current goal
- Begin with a quick review and guided lesson
- Check the skill with an untimed quiz
- Return to timed practice when you are ready
Reading
Study details, inference, vocabulary, text structure, and evidence.
Written Expression
Review sentence boundaries, usage, mechanics, and revision.
Mathematics
Practice number sense, algebra, data, geometry, and measurement.
General Ability
Build skill with figure relationships and spatial patterns.
How to use it
- Choose one subject and try a short timed form.
- Review the key idea connected to an uncertain answer.
- Take an untimed quiz and read the explanation.
- Return to timed practice and check your progress.
Pair it with free tools
Choose The Right TACHS Prep Tool
Each subject Online Center offers lessons, review, quizzes, and independent practice. Choose the section you want to work on first.
Reading Study Online Center
Best first stop
Build comprehension with evidence, vocabulary, purpose, tone, and text structure.
Written Expression Study Online Center
Sentence review
Review complete sentences, usage, mechanics, revision, and organization.
Mathematics Study Online Center
Math practice
Practice operations, algebraic thinking, data, geometry, and measurement.
General Ability Study Online Center
Reasoning practice
Work with figure relationships, spatial changes, and visual patterns.
TACHS Quick Review
Fast review
Refresh key ideas from all four subject areas before another practice form.
4-Week TACHS Study Roadmap
Rotate through the four sections while giving extra time to the topics that need work.
Diagnose and set priorities
Try one practice form in each subject. Note the questions that felt uncertain.
Build core skills
Use lessons and examples for the topics behind missed questions.
Review and check
Refresh the quick-review cards, then use an untimed quiz in each subject.
Practice in test mode
Take timed forms, review the explanations, and revisit the weakest topics.
TACHS FAQ
What does TACHS measure?
The current handbook describes Reading, Written Expression, and Mathematics, plus a General Ability section focused on learned reasoning with spatial and figural content.
Are these official TACHS questions?
No. These lessons, quizzes, and practice forms are independent study resources based on public TACHS skill descriptions and sample-question types.
How should I use the subject Online Centers?
Choose a subject, take a short practice form, review a topic connected to a missed question, and check your understanding with a quiz.
Is there one public passing score for every school?
Admissions processes vary by school. TACHS results may be considered alongside school records and other application information; check with the schools you are applying to.
Where can I check current registration details?
Check the current handbook and official TACHS website for dates, fees, eligibility, accommodations, and school requirements. Official TACHS information ↗
What is the best place to begin?
Start with the subject where a short practice form will give you the clearest next step. Then use that Online Center’s review deck, lessons, and quizzes.
Related TACHS Subject Online Centers
Make This Your TACHS Starting Point
Bookmark this online center, choose one subject, and use the linked lessons, quick reviews, and practice to move from scattered study to a clear path.
A USEFUL NEXT STEP
TACHS: study questions
What can I study in this TACHS Online Center?
This TACHS Online Center includes practice, lessons, flashcards and review tools. Topics on the page include More TACHS Practice Forms, TACHS Reading, TACHS Written Expression.
How should I use the TACHS resources?
Choose a topic or practice activity from this Online Center. Review the linked explanation, try the practice, and use the result to decide what to study next. Check each resource’s directions for its format and access requirements.
Resources from Effortless Math · Editorial standards