Books by splitShops
Illinois Assessment of Readiness (IAR) Test Practice: 3rd Grade Math Practice Workbook and Full-length Online Assessments: Illinois Test Study Guide - Paperback
$31.61
In stock
Shipping charges, applicable taxes, the final order total, and available payment methods are shown during checkout before payment. Delivery timing varies by item and fulfillment origin. Standard U.S. returns are by mail for eligible new, unopened items within 30 days of carrier delivery. Customers pay standard return shipping; there is no restocking fee. Approved refunds are issued within 5 business days after the return is received and inspected. Standard exchanges are not offered.
Cindi Book items have a flat $9.99 shipping charge. Shopify Collective items use shipping rates set by the supplier. Orders containing items from different fulfillment sources may include more than one shipping charge. Your full shipping total is shown at checkout before payment.
Return eligibility is subject to the full policy. Opened, read, or unsealed books with broken seals or visible wear are final sale. Digital downloads, gift cards, and personalized products are non-refundable. Original shipping charges are not refunded for standard returns. Contact us within 7 days of delivery about damaged, defective, or incorrect items.
by Lumos Learning (Author)
Want to boost your child's Grade 3 math skills and Illinois IAR readiness?
Lumos' Illinois IAR blended program (Workbook + Online Access) helps your child improve scores by 10% or more in the 2025-26 IAR assessment through realistic test simulations, targeted skills practice, and AI-powered intervention.
This blended program includes:
✓ Practice questions covering 25 Grade 3 Math skills in pen and paper format
✓ Answer keys with detailed explanations in the workbook
✓ 2 full-length online practice tests that simulate Illinois's IAR
✓ Personalized online study plan for targeted practice
✓ AI Tutor for clear step-by-step explanations, hints, and instant feedback
✓ Online program access code
Trusted by over 1.6 Million students and 200,000 teachers.
Reduce your child's IAR test anxiety using Lumos' Smart Test Prep Methodology
Lumos' Smart Test Prep Methodology blends realistic Illinois test simulations, personalized guidance, and targeted practice to help students get ready for the state test.
Students begin with a simulated IAR test, follow an AI-personalized study plan, practice essential skills, and repeat the cycle-steadily building the skills and confidence they need for the Spring IAR.
Why is Lumos' IAR Practice Workbook the Smart Choice for 2025-26?
✓ Realistic Practice Tests: Two full-length tests that simulate IAR format, question types, rigor, standards, and pacing
✓ Personalized Study Plan: Online Diagnostic Tests generate a personalized study plan for targeted skills practice using the workbook
✓ Lumos AI Tutor: A built-in, on-demand AI coach that delivers real-time assistance just like a personal tutor
✓ Online Program Access: Features guided practice questions, solved examples, a performance insights dashboard, videos, mind maps, flashcubes, and other engaging test prep resources
Why Parents Trust Lumos tedBook for Illinois IAR Success?
Lumos has a history of delivering measurable results. Its realistic test preparation builds confidence, and the performance reports offer clear insights into strengths and areas for improvement. With Lumos tedBook, families feel assured that their child is fully prepared to succeed on the Illinois state assessment.
"This book is awesome-I've bought it two years in a row. We used it to study for the IAR Math in 3rd grade and the IAR Math in 4th grade, and my child aced both tests with a score of 4. The online resources that come with the book are amazing. Kids can practice online tests and individual lessons as many times as they want." - Jessenia
How Do Teachers Use Lumos tedBook in Their Classroom?
Teachers use Lumos tedBook to deliver personalized, standards-aligned practice that reinforces classroom learning. In addition to giving students the opportunity to experience a realistic IAR simulation, Lumos Teacher Accounts provide access to insightful reports and guided classroom instructions to bridge learning gaps, track progress, and build student confidence for the IAR assessment. It's ideal for classroom reinforcement, tutoring, or homeschooling.
"Amazing resource for practicing 3rd-grade math state benchmark test!" - Ashia Smith
Prepare with confidence-order now and get ready for IAR success!
Pay with
Available payment methods and your final total are shown at checkout before payment.
Clear Information Before You Order
Cindi Book is the trade name of Cindi Book LLC, a Texas-registered online-only retailer. We provide clear contact, shipping, return, and checkout information so customers can make informed purchasing decisions.
Business & Customer Care
Cindi Book LLC
2124 Cactus Ct, Keller, TX 76248
Administrative office only; no storefront or local pickup.
214-308-1733 · info@cindibook.com
Monday–Friday, 8:00 AM–5:00 PM CT
Shipping Transparency
Orders ship within the United States. Cindi Book branded titles typically arrive in 5–9 business days, including 0–2 business days of handling and 5–7 business days in transit. Supplier-fulfilled items typically arrive in 8–11 business days, including 1–3 business days of handling and 7–8 business days in transit. Business days are Monday–Friday, excluding U.S. federal holidays. Delivery estimates are not guarantees. Cindi Book items have a flat $9.99 shipping charge. Shopify Collective items use shipping rates set by the supplier. Orders containing items from different fulfillment sources may include more than one shipping charge. Your full shipping total is shown at checkout before payment.
Returns & Refunds
Standard U.S. returns are accepted for eligible new, unopened items within 30 days of carrier delivery. Returns are by mail. Customers are responsible for standard return shipping, there is no restocking fee, and standard exchanges are not offered. Once an approved return is received and inspected, the refund is issued to the original payment method within 5 business days. Damaged, defective, or incorrect items are handled at no return-shipping cost to the customer.
Return eligibility is subject to the full policy. Opened, read, or unsealed books with broken seals or visible wear are final sale. Digital downloads, gift cards, and personalized products are non-refundable. Original shipping charges are not refunded for standard returns. Contact us within 7 days of delivery about damaged, defective, or incorrect items.
Payment & Checkout
Checkout is processed securely through Shopify. Shipping charges, applicable taxes, the final order total, and available payment methods are shown before you submit payment.
Order Responsibility
Some items may ship from Cindi Book or U.S.-based publishing, manufacturing, or distribution suppliers that fulfill orders for Cindi Book. Cindi Book LLC remains the customer-service contact for order questions, delivery support, returns, and refunds.
