Taking the TACHS? Complete practice questions for all exam contents

Study Guide and Information


The mathematics section has 50 questions. Below is a detailed list of the mathematics topics likely to appear on the test.

  • Convert decimals, percent and fractions
  • Basic arithmetic functions
  • Probability and statistics
  • Operations using fractions, percent and fractions
  • Geometry
  • Algebra
  • Exponents
  • Estimation

How to Study for a Math Test


Word Problems Tutorial
Basic Math – 10 questions
Basic Math 2 – 10 questions
Algebra – 7 questions
Percent – 18 questions
Fractions, Percent and Decimals – 14 questions

How to Solve Word Problems Tutorial

Basic Math Video Tutorials


The language section has two parts. The first part (40 questions, 23 minutes) covers spelling, capitalization, punctuation and English usage, and the second part covers paragraphs (10 questions, 7 minutes). Below is a detailed list of the topics likely to appear on the test.

  • English Grammar
  • Meaning in Context (Vocabulary)
  • Spelling
  • Punctuation
  • Capitalization
  • Sentence Structure
  • Paragraph organization, conciseness and clarity


English Usage – 15 questions
English Grammar – 20 questions
Punctuation – 12 questions


The Reading section has two sections, reading comprehension and synonyms. Below is a more detailed list of the types of reading questions that generally appear on the test.

  • Drawing logical conclusions
  • Make predictions
  • Analyze and evaluate the use of text structure to solve problems or identify sequences
  • Summarize
  • Meaning from context
  • Synonyms

How to Answer Reading Comprehension

How to Study for a Vocabulary Test


Reading Comprehension I – 20 questions
Reading Comprehension II – 8 questions
Vocabulary – 11 questions
Vocabulary II – 11 questions


The TACHS Ability section has three different types of questions. All of the Ability questions are graphical. The first type of question presents a series of objects that are similar or linked, and asks you to choose from a series of four objects, one that is similar. The second type of questions presents two related shapes, and asks you to choose an object that has the same relationship as the first two. The third type of question presents a piece of paper and you are asked to select the diagram of how the paper would appear folded.

Study Guide and Information



The book to get!

It helped my son so much.


  1. Amanda
    December 29, 2016

    Thank you – I think I am ready for my test and get a great grade for my catholic high school test

    • Amanda
      April 20, 2017

      Thank you i think i can get a better grade on my TACHS Test 🙂

    • Tachs
      November 4, 2020

      Of coarse amanda. Anytime to help

  2. greg
    November 7, 2019

    i links I’m going to do better on my test then I thought……………………………I lied

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