CK-12 FlexBook 2.0 vs Eureka Math
CK-12 FlexBook 2.0
ck12.org
Eureka Math
greatminds.orgSide by side
| Figure | CK-12 FlexBook 2.0 | Eureka Math |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| Plans published | 2 | 6 |
| Spec score · K-12 Curriculum Platforms | 8.9 (#1) | 8.4 (#6) |
| Accessibility | CK-12’s 2024 VPAT states that the FlexBooks 2.0 platform meets AA conformance across the criteria covered by the report. | Great Minds says it is working toward WCAG 2.1 AA compliance for Eureka Math² print and digital materials. |
| Audience | FlexBooks are designed for educators and students and cover K–12 topics. | Professional development is designed for classroom teachers, curriculum leads and coaches, special education teachers and interventionists, curriculum directors, and school or district administrators. |
| Company type | LinkedIn identifies CK-12 Foundation as a nonprofit in primary and secondary education with 51–200 employees. | Great Minds describes itself as a public benefit corporation creating research-backed math, literacy, and science curricula. |
| Headquarters | CK-12 lists its headquarters at 4300 Bohannon Drive, Suite 200, Menlo Park, California. | Washington, D.C., United States |
| Integrations | CK-12 lists Google Classroom, Canvas, Schoology, Kiddom, Clever and ClassLink as SSO or LMS partners. | The digital platform supports LTI integrations, OneRoster rostering, Clever and ClassLink, plus Google single sign-on; Canvas and Schoology are documented LMS connections. |
| Purpose | FlexBooks are customizable digital textbooks for K–12 subjects including science, math, and social studies. | Eureka Math is a curriculum designed to build rigor, coherence, focus, and understanding of the why behind mathematics. |
| Support | Users can contact CK-12 Support by starting a support ticket or sending an email. | Great Minds provides digital support guides for navigating curriculum, running assessments, syncing rosters, and solving technical questions. |
| What it does | FlexBook 2.0 is CK-12’s interactive digital textbook platform for math and science lessons with embedded learning resources. | Eureka Math is a PreK–12 mathematics curriculum built around conceptual understanding, procedural fluency, rigorous problem solving, and coherent progression across grades. |
Plans
Eureka Math
- Eureka Digital Suite trialFree
- Eureka Math core OERFree
- Eureka Math Open Educational ResourcesFree
- Eureka Digital SuitePriced on request
- Eureka Math Print MaterialsPriced on request
- Print materials and paid digital productsPriced on request
In their own words
CK-12 FlexBook 2.0
CK-12 FlexBook 2.0 provides customizable digital textbooks for K–12 subjects including science, math, and social studies. Lessons can combine text with PLIX interactives, simulations, adaptive practice, and related learning materials. Adaptive Practice draws questions from a library of more than 150,000 and adjusts selections based on student answers. Teachers can assign lessons, videos, interactives, and practice to whole classes or differentiated groups, then view progress reports. Educators can reorder chapters and edit or add content in customized FlexBooks. The service works in browsers on laptops, desktops, Chromebooks, tablets, and mobile devices, and is listed at free. Standalone Simulations and PLIX Interactives require a tablet-size screen or larger. Users may download PDFs of FlexBooks they create or customize, though interactive content may not render; CK-12-created PDFs are not downloadable. CK-12 says it is still converting all core content to FlexBook 2.0. Listed SSO or LMS partners include Google Classroom, Canvas, Schoology, Kiddom, Clever, and ClassLink.
Eureka Math
Eureka Math is a web-based mathematics curriculum covering Prekindergarten through Grade 12. It is designed around rigor, coherence, focus, and understanding why mathematical methods work. Free Open Educational Resources provide PreK–12 PDF Student and Teacher Editions, curriculum maps, and overviews. Schools can also choose print materials, including K–12 student workbooks, PreK–12 teacher editions, and assessment and fluency packets. Eureka Navigator is an interactive digital PreK–12 curriculum and professional-development platform with print-edition features, while Teach Eureka supplies 18 one-hour professional-development sessions for each grade. Affirm adds technology-enhanced formative items, instant grading, analytics, reporting, and differentiation practice, with integrations for Google Classroom, Canvas, and Clever. Great Minds supports Clever, ClassLink, OneRoster v1.1 CSV, and self-serve CSV rostering. Schoology and Canvas connect through LTI 1.3 services. Student workbooks are available in six languages for Grades K–8.