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Illustrative Mathematics

illustrativemathematics.org

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Spec score 7.6 #17 of 29 in K-12 Curriculum Platforms

What it is

Illustrative Mathematics provides IM Math, a problem-based core mathematics curriculum for transitional kindergarten through grade 12. The IM Math v.360 sequence runs from transitional kindergarten through Algebra 2. Lessons ask students to solve meaningful problems, explain their reasoning, compare strategies, and connect mathematical ideas across lessons, units, courses, and grades. Built-in resources include discussion routines, support for English learners and students with disabilities, unit assessments, session checkpoints, and lesson cool-downs. AccessIM provides the complete curriculum online for free, with implementation resources and downloadable, printable PDFs for teachers and students, without a time limit. The curriculum aligns with the Common Core State Standards for Mathematics. Schools can obtain print materials and enhanced digital platforms through IM Certified partners such as Imagine Learning, Kendall Hunt, and Kiddom. Partner platforms may add rostering, assignments, reporting, and progress monitoring.

Spec sheet

Product
IM Math is a problem-based, full-year core mathematics curriculum for transitional kindergarten through grade 12.Read 3 Oct 2026 · illustrativemathematics.org
Privacy
The current terms state that the main site does not collect student information and that student-facing curriculum content can be accessed without registration or login.Read 3 Oct 2026 · illustrativemathematics.org
Support
Illustrative Mathematics and IM Certified partners offer professional learning, leadership support, and implementation services for schools and districts.Read 3 Oct 2026 · illustrativemathematics.org
Headquarters
The organization lists its principal mailing address as PO Box 69822, Oro Valley, Arizona 85737.Read 3 Oct 2026 · illustrativemathematics.org
Founded
2011Read 28 Sep 2026 · illustrativemathematics.org
Access
AccessIM provides the complete curriculum online for free, including full lessons, implementation resources, and downloadable, printable PDFs for teachers and students.Read 3 Oct 2026 · illustrativemathematics.org
Built-in resources
The curriculum includes discussion routines, supports for English learners and students with disabilities, and unit assessments, session checkpoints, and lesson cool-downs.Read 3 Oct 2026 · illustrativemathematics.org
Curriculum sequence
IM Math v.360 provides a coherent sequence from transitional kindergarten through Algebra 2.Read 3 Oct 2026 · illustrativemathematics.org
Integrations and partners
The listed curriculum distribution partners are Imagine Learning, Kendall Hunt, and Kiddom; the site also lists supplemental tools and professional learning partners.Read 3 Oct 2026 · illustrativemathematics.org
Learning approach
Students solve meaningful problems, explain their thinking, compare strategies, and connect mathematical ideas across lessons, units, courses, and grade levels.Read 3 Oct 2026 · illustrativemathematics.org
Organization
Illustrative Mathematics is a nonprofit organization that became independent in 2013 after beginning at the University of Arizona in 2011.Read 3 Oct 2026 · illustrativemathematics.org
Paid options
IM Certified partners offer print materials and enhanced digital platforms; the site directs schools and districts to partners for pricing rather than listing prices.Read 3 Oct 2026 · illustrativemathematics.org
Partner platform features
Enhanced digital options from Imagine Learning and Kiddom include student rostering and account management, assignment tools, data reporting, and progress monitoring.Read 3 Oct 2026 · illustrativemathematics.org
Privacy policy scope
The privacy policy says its covered websites are not designed to provide content directly to students or collect student information, and says personal information is not sold to third parties.Read 3 Oct 2026 · illustrativemathematics.org
Standards
IM Math is aligned to the Common Core State Standards for Mathematics, and the site says IM v.360 holds all-green EdReports ratings across grade bands and gateways.Read 3 Oct 2026 · illustrativemathematics.org

Plans and prices

IM Math v.360 OER Free Full TK–12 curriculum online at no cost · downloadable and printable teacher and student PDFs · no time limit Read 3 Oct 2026 · illustrativemathematics.org

Every Illustrative Mathematics plan and price →

Strong points and limits

Strong points

  • Covers transitional kindergarten through grade 12
  • Provides free online curriculum access
  • Includes printable teacher and student PDFs
  • Offers built-in assessments and checkpoints
  • Supports English learners and students with disabilities

Limits

  • Enhanced digital features come through partners
  • Free access is web-based
  • Curriculum focuses on mathematics only

Who it suits

IM Math suits schools and districts seeking a standards-aligned K–12 mathematics curriculum with free online access and printable materials. Partner options serve organizations wanting enhanced digital management and progress tools.

Verdict

Illustrative Mathematics offers a complete, free online core curriculum with a coherent sequence, classroom supports, and assessments. Schools needing print purchasing or added digital management can work through listed IM Certified partners.

Where Specifiction places it

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