Illinois · IAR · grades 3-8
IAR
Practice Tests
Questions aligned to Illinois Learning Standards (CCSS-aligned), grades 3-8. Pick a grade and subject and try them without signing up: Math, Science, English/RLA.
Practice IAR Questions
Pick your child's grade to start. No signup required.
IAR sample questions with answers
One question from each of several grades, with the answer and a step-by-step explanation. Open a question's answer when your child has tried it.
Question 1 · Grade 3 Math · Standard 3.OA.D.8
Jake has 47 baseball cards. He gets 28 more. Then he gives 15 to his friend. How many does Jake have now?
- A.50
- B.55
- C.60
- D.90
Show the answer and explanation
Answer: C. 60
47 + 28 = 75. Then 75 − 15 = 60 cards. This is a two-step word problem.
Question 2 · Grade 4 English · Standard RL.4.2
In a story, a boy in Springfield enters his first baking contest. His cake falls flat and looks terrible. Instead of hiding it, he decorates it creatively and wins the 'Most Original' award. What is the theme?
- A.Baking is easy
- B.Creativity can turn failure into success
- C.Contests are unfair
- D.Cakes always fall flat
Show the answer and explanation
Answer: B. Creativity can turn failure into success
Rather than giving up after the cake failed, the boy used creativity to transform it. The theme is about turning setbacks into opportunities through resourcefulness.
Question 3 · Grade 6 Math · Standard 6.RP.A.3
A deep-dish pizza shop in Chicago uses 3 cups of cheese for every 2 pizzas. How many cups are needed for 8 pizzas?
- A.8
- B.10
- C.12
- D.16
Show the answer and explanation
Answer: C. 12
3 cups / 2 pizzas = 1.5 cups per pizza. For 8 pizzas: 8 × 1.5 = 12 cups.
Question 4 · Grade 7 Math · Standard 7.RP.A.2
A water taxi on the Chicago River travels 6 miles in 24 minutes. At this rate, how far does it go in 1 hour?
- A.12 miles
- B.15 miles
- C.18 miles
- D.24 miles
Show the answer and explanation
Answer: B. 15 miles
Rate: 6 miles / 24 min = 0.25 miles/min. 1 hour = 60 min. 60 × 0.25 = 15 miles.
Question 5 · Grade 8 English · Standard RL.8.1
"The old man stared at the empty chair across the dinner table." What can the reader most likely infer?
- A.The man is hungry
- B.Someone who usually sits there is absent or gone
- C.The man doesn't like the chair
- D.The chair is broken
Show the answer and explanation
Answer: B. Someone who usually sits there is absent or gone
An empty chair at a dinner table + staring at it = grief, loss, or missing someone. The emptiness symbolizes absence.
Every grade, every subject
How IAR prep works
- 1
Pick your grade
Select your child's grade level. We show which subjects are available for that grade on the IAR.
- 2
Choose a subject
Pick Math, English/RLA, or Science. Every question is aligned to Illinois Learning Standards (CCSS-aligned) at the right difficulty.
- 3
Practice and learn
Answer questions in the real IAR format. Every answer gets a detailed explanation so your child learns from mistakes.
Why Illinois parents choose iMasterly
Illinois Learning Standards (CCSS-aligned)-aligned questions
Every question maps to specific Illinois Learning Standards (CCSS-aligned) and reporting categories. Not generic — built for IAR.
Verified accuracy
Every question is checked and verified against the answer key. No wrong answers to trip your child up.
Misconception-based distractors
Wrong answers target the exact mistakes students make. Your child learns WHY they got it wrong.
Beyond test prep
IAR prep is just one feature. iMasterly teaches 15+ subjects with AI-personalized curriculum.
DOK-matched difficulty
Questions match the real IAR's Depth of Knowledge distribution for authentic practice.
Built to the real IAR
Practice tests follow the IAR's published blueprint for each grade and subject: the same standards, question types and points as test day, with original questions and every answer explained.
Updated October 21, 2026
What Is the IAR Test in Illinois?
The Illinois Assessment of Readiness (IAR) is Illinois's statewide standardized assessment for students in grades 3-8. The IAR measures student mastery of the Illinois Learning Standards, which incorporate the Common Core State Standards with Illinois-specific additions. The IAR evolved from the PARCC assessment — Illinois is one of the last states still using a PARCC-derived test. In August 2025, the Illinois State Board of Education approved new, unified performance levels for all state tests, reducing IAR proficiency levels from five to four and recalibrating cut scores, starting with the spring 2025 results.
When Is the IAR Test in 2026-2027?
Spring 2027 windows from ISBE's 2026-27 State Assessment Dates: IAR online March 1 - April 16, 2027; IAR paper March 1 - April 2, 2027. Science (the Illinois Science Assessment, grades 5 and 8) is a separate test, March 1 - April 30, 2027. Schools schedule specific days inside each window.
IAR Subjects by Grade
| Grade | Subjects Tested |
|---|---|
| Grade 3 | ELA and Mathematics |
| Grade 4 | ELA and Mathematics |
| Grade 5 | ELA, Mathematics, and Science (Illinois Science Assessment) |
| Grade 6 | ELA and Mathematics |
| Grade 7 | ELA and Mathematics |
| Grade 8 | ELA, Mathematics, and Science (Illinois Science Assessment) |
IAR Scoring: Understanding Your Child's Results
Illinois uses the following performance levels. 'Proficient' is the target, and 'Above Proficient' also counts as proficient. Note: Illinois changed from 5 levels to 4 levels starting with the spring 2025 results (approved August 13, 2025), so proficiency rates are not apples-to-apples with earlier years. Scale scores can still be compared year to year.
Below Proficient
Student does not demonstrate adequate understanding of grade-level standards.
Approaching Proficient
Student demonstrates partial understanding but has not yet reached proficiency.
Proficient
Student demonstrates grade-level mastery of Illinois Learning Standards.
Above Proficient
Student demonstrates advanced mastery beyond grade-level expectations.
IAR Test Format: What to Expect
Computer-Based, Fixed-Form
The IAR is a fixed-form computer-based test, not adaptive. In spring 2025 every student received one of two core forms, and in ELA a student is given Form A or Form B at random. Paper testing is available as an accommodation.
Math Has 3 Units
Mathematics is split across 3 separate testing units. Your child will have three distinct math testing sessions on different days.
ELA Has 2 Units
English Language Arts includes 2 units covering reading comprehension and writing. Includes prose constructed response (essay) questions.
Multiple Question Types
Includes selected response, constructed response, technology-enhanced items, and prose constructed response (extended writing). The writing component is embedded in the ELA test.
What Changed on the IAR (and What Did Not)
On August 13, 2025, the Illinois State Board of Education approved four unified performance levels for all state tests (Below Proficient, Approaching Proficient, Proficient, Above Proficient), replacing the IAR's old five levels, starting with the spring 2025 results shown on the 2025 Illinois Report Card. ISBE says Illinois had 'the toughest benchmarks in the country for math and English language arts' while the science bar was too low, so math and ELA benchmarks came down and science went up. Proficiency rates are not comparable with earlier years, but scale scores are. The test itself is not being replaced: ISBE's FY27 contract information shows Pearson's IAR contract term running July 1, 2025 - June 30, 2030. Spring 2027 testing runs March 1 - April 16, 2027 online.
What Makes the IAR Different From Other State Tests?
- -
Illinois recently made the most significant scoring overhaul in IAR history (5 levels to 4 levels, approved August 2025).
- -
The IAR is one of the last PARCC-derived assessments still in use. Most former PARCC states have moved to completely different tests.
- -
Math is split into 3 testing units — more sessions than most state math assessments.
- -
Includes prose constructed response questions where students write extended essays as part of ELA — this is more rigorous than many state tests.
- -
Before the 2025 recalibration, ISBE said Illinois had the toughest math and ELA proficiency benchmarks in the country.
What Illinois Parents Should Know About the IAR
If you're comparing your child's IAR results from 2025 or later to earlier years, the proficiency levels have changed completely. A score that was 'Approached Expectations' under the old levels might now be 'Approaching Proficient' or 'Proficient' under the new cut scores. Compare scale scores instead, which ISBE says are not affected.
Math is tested in 3 separate units on different days. Your child needs to maintain focus across multiple testing sessions — practice stamina, not just content.
The ELA test includes real essay writing (prose constructed response). Your child should practice writing organized paragraphs with evidence from text, not just reading comprehension.
Science is tested separately via the Illinois Science Assessment (ISA) in grades 5 and 8. Don't forget to prepare for this in addition to the IAR.
Paper testing is available but only during a shorter window (March 1 - April 2, 2027). If your child needs this accommodation, coordinate with the school early.
Questions parents ask
What is the IAR test?
The IAR is Illinois's standardized assessment for grades 3-8. Students are tested in Math and English/RLA every year, and Science in grades 5 and 8.
How does iMasterly match the real IAR?
Practice tests are built to the IAR's published blueprint for each grade and subject: the same reporting categories, question types and point values, with questions written to Illinois Learning Standards (CCSS-aligned). Before a question goes into the bank it is checked independently: a separate check solves it from scratch without seeing the answer key, and on math questions code checks the arithmetic. Questions that fail are reworked and checked again; any that still fail are held back and never shown to your child.
What does it cost?
iMasterly is in beta and pricing has not been announced. IAR practice is not sold separately: it comes with the AI tutoring and personalized curriculum.
How many practice questions are available?
iMasterly has a deep bank of standards-aligned practice questions for every grade and subject, so your child can keep practicing without running out.
IAR is coming. Start practicing today.
Standards-aligned practice for every grade, with every answer explained.