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Illinois State Assessments · IAR and ISA Practice

Illinois State Test Practice

Build Illinois assessment readiness with five focused 10-question practice sets covering IAR ELA, IAR math, ISA science, data, evidence, and problem solving.

Illinois State Test practice sets

This Illinois State Test Practice page provides five short practice sets with 10 original multiple-choice questions each. The sets cover IAR English Language Arts and reading, IAR mathematics, ISA science, data and assessment reasoning, and integrated Illinois review.

Illinois IAR and ISA overview

The Illinois State Board of Education states that the Illinois Assessment of Readiness (IAR) assesses English language arts and mathematics for public school students in Grades 3–8. The Illinois Science Assessment (ISA) is administered in Grades 5 and 8 and is aligned to the Illinois Learning Standards for Science and the Next Generation Science Standards.

How to use this page

Complete one 10-question set at a time. Return to the passage, graph, table, model, or calculation, then review the explanation after each response.

This is supplemental State Test Practice, State Assessment Practice, and Standardized Test Practice. It does not replace current Illinois State Board of Education guidance, official materials, accommodations, tool policies, or testing procedures.

For broader grade-level study paths, explore Elementary School Tests, Middle School Tests, and High School Tests.

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5 Tests
1. Test2. Test3. Test4. Test5. Test

2. Test

Illinois State Test Practice Questions

A 10-question Illinois State Test practice set on iar mathematics and problem solving, with answers and explanations.

Read each passage, graph, table, model, or problem carefully, choose one answer, and review the explanation after responding.

10 Questions
0/10 Questions0 %
Correct 0
Incorrect 0
Unanswered 10
1. QuestionMultiple choice

What is 486 + 257?

Please select an answer first.

Correct answer: A

The correct answer is 743.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Add ones, tens, and hundreds: 486 + 257 = 743.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Add ones, tens, and hundreds: 486 + 257 = 743.

2. QuestionMultiple choice

What is 96 ÷ 8?

Please select an answer first.

Correct answer: B

The correct answer is 12.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Because 8 × 12 = 96, the quotient is 12.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Because 8 × 12 = 96, the quotient is 12.

3. QuestionMultiple choice

A rectangle is 11 units long and 4 units wide. What is its area?

Please select an answer first.

Correct answer: C

The correct answer is 44 square units.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Area equals length times width: 11 × 4 = 44 square units.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Area equals length times width: 11 × 4 = 44 square units.

4. QuestionMultiple choice

If 3x + 2 = 20, what is x?

Please select an answer first.

Correct answer: D

The correct answer is 6.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Subtract 2 to get 3x = 18, then divide by 3 to get x = 6.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Subtract 2 to get 3x = 18, then divide by 3 to get x = 6.

5. QuestionMultiple choice

What is 0.75 written as a fraction in simplest form?

Please select an answer first.

Correct answer: A

The correct answer is 3/4.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Seventy-five hundredths equals 75/100, which simplifies to 3/4.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Seventy-five hundredths equals 75/100, which simplifies to 3/4.

6. QuestionMultiple choice

A car travels 180 miles in 3 hours. What is the average speed?

Please select an answer first.

Correct answer: B

The correct answer is 60 miles per hour.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Average speed equals distance divided by time: 180 ÷ 3 = 60.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Average speed equals distance divided by time: 180 ÷ 3 = 60.

7. QuestionMultiple choice

A square has a side length of 9 units. What is its perimeter?

Please select an answer first.

Correct answer: C

The correct answer is 36 units.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: A square has four equal sides, so 4 × 9 = 36 units.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

A square has four equal sides, so 4 × 9 = 36 units.

8. QuestionMultiple choice

What is the mean of 4, 6, 8, and 10?

Please select an answer first.

Correct answer: D

The correct answer is 7.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: The sum is 28 and 28 ÷ 4 = 7.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

The sum is 28 and 28 ÷ 4 = 7.

9. QuestionMultiple choice

A bag has 2 red tiles and 6 blue tiles. What is the probability of choosing a red tile?

Please select an answer first.

Correct answer: A

The correct answer is 1/4.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: There are 2 red tiles out of 8 total, and 2/8 simplifies to 1/4.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

There are 2 red tiles out of 8 total, and 2/8 simplifies to 1/4.

10. QuestionMultiple choice

A student has 5 1/2 meters of ribbon and uses 2 meters. How much remains?

Please select an answer first.

Correct answer: B

The correct answer is 3 1/2 meters.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Subtract 2 from 5 1/2 to get 3 1/2 meters.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Subtract 2 from 5 1/2 to get 3 1/2 meters.

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Choose your next study path

Elementary School Tests

Build foundational reading, math, science, and social studies skills for Grades 1–5.

Middle School Tests

Review grade-level ELA, math, science, and social studies skills for Grades 6–8.

High School Tests

Explore course and assessment preparation for Grades 9–12.

Pomodoro Timer

Use focused study intervals to work through your next practice set.

Frequently asked questions about Illinois State Test Practice

What does the Illinois Assessment of Readiness cover?

The Illinois State Board of Education states that IAR assesses English language arts and mathematics for public school students in Grades 3–8.

Which grades take the Illinois Science Assessment?

The current Illinois State Board of Education ISA page identifies Grades 5 and 8. Check the official page for current administration information.

Are these official IAR or ISA questions?

No. These are original supplemental practice questions. Check the official Illinois State Board of Education pages for current practice items, accommodations, tools, and testing policies.