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i-Ready® Diagnostic Overview

Free practice questions for i-Ready Diagnostic

Established in 2011, the i-Ready Diagnostic  is a test designed to help teachers support students and provide a path of instruction for every learner. The adaptive test adjusts its questions to each student’s needs. Each question a student sees is individualized based on their answer to the previous question. A series of correct answers will result in slightly harder questions, while a series of incorrect answers will yield slightly easier questions. This provides essential information for your child’s teacher about what your child knows and is ready to learn.

The i-Ready Diagnostic is published by Curriculum Associates and is given to students in grades K-12.  The test is structured cross-grade, which provides a measurement of students who perform on, above, or below grade level.

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The iReady Diagnostic covers Math and Reading. Within the Math portion, the following skills are covered: Numbers and Operations, Algebra and Algebraic Thinking, Measurement and Data, and Geometry. Within the Reading portion, the following skills are covered: Phonological Awareness, Phonics, High-Frequency Words, Vocabulary, Comprehension: Literature, and Comprehension: Informational Text.

The assessment is designed for students in grades K-12 and is aligned with state standards, Common Core State Standards, and Next Generation Science Standards. Testing Mom has practice questions for i-Ready to get your child prepared for the upcoming test.

Here is a detailed overview of the i-Ready Diagnostic:

  • Assessment Content:
    • The i-Ready Diagnostic is an online assessment that is divided into two parts: math and reading. Each part is composed of a series of questions that adapt to each student’s individual skill level. The questions are designed to assess the student’s knowledge and skill level in specific domains such as operations and algebraic thinking, geometry, reading comprehension, vocabulary, and fluency. The diagnostic includes multiple choice, drag and drop, and fill-in-the-blank questions that are designed to measure a student’s ability to apply and integrate knowledge across multiple domains.
  • Adaptive Design:
    • One of the key features of the i-Ready Diagnostic is its adaptive design. The diagnostic is designed to adapt to each student’s individual skill level, which means that the questions become more difficult or easier depending on the student’s response to previous questions. This adaptive design ensures that the assessment is challenging enough to measure a student’s true proficiency level, while also providing appropriate support to help students who may be struggling in certain areas.
  • Detailed Reporting:
    • After a student completes the i-Ready Diagnostic, teachers and administrators are provided with detailed reports that provide insights into each student’s strengths and weaknesses. The reports include a range of data points, such as the student’s overall score, growth over time, and detailed information about their performance in specific domains. This information is valuable for teachers and administrators, as it can be used to identify areas where a student needs additional support or enrichment.
  • Instructional Resources:
    • In addition to providing detailed reporting, the i-Ready Diagnostic also includes instructional resources to support teachers in addressing individual student needs. Based on a student’s performance on the diagnostic, the program recommends targeted instructional resources, such as lessons, activities, and practice exercises. These resources are designed to help students strengthen specific areas of weakness and reinforce areas of strength.

Overall, the i-Ready Diagnostic is a valuable assessment tool that provides teachers and administrators with detailed insights into each student’s academic proficiency and growth over time. The adaptive design ensures that the assessment is challenging enough to accurately measure a student’s skill level, while the detailed reporting and instructional resources provide teachers with the information they need to tailor instruction to each student’s individual needs.

Looking to prepare your child for their upcoming i-Ready Diagnostic? has i-Ready Reading and Math practice test questions. Become a member and gain access to 10,000+ i-Ready practice test questions, plus resources for parent success! Try us out for free by downloading our 100 Free Practice Questions!

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Free i-Ready Diagnostic Practice Test Reading Questions

Which verb tense best completes the sentence?

Yesterday I             to a Taylor Swift concert.

A. go           B. have gone           C. went           D. doing


Free i-Ready Diagnostic Practice Test Math Questions


30 + 70 + 50 + 80 = 

A. 230           B. 210           C. 130

Here are few (of the many) of the school districts in the United States that use i-Ready

In terms of implementation, many school districts use the i-Ready Diagnostic at multiple points throughout the school year, allowing teachers and administrators to track students’ progress over time. They can see how students are responding to instruction and make necessary adjustments to their teaching. For specific information on how the school districts below use the i-Ready Diagnostic, you would need to contact these districts directly or visit their official websites. They may use the diagnostic in slightly different ways depending on their specific needs and goals for students.



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3 Responses

Kim buhler

My students did not go up from August to December. I would love to work with them on practice questions to see if that helps.


We have many options for practice on our site and recommendations for which Skill Building Academy apps will also help for the i-Ready. Please Reach out to our Parent Success Team at 877-609-6203 or email them at for further help on the i-Ready.


i am teacher and i love it

See if supports your child’s test by your school district. If you don't see your child's school district listed, check with us! We have practice for other tests as well.

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