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Grounded in research

Ready Common Core is built from the ground up to be true to the details, rigor, and intent of the Common Core. The editorial and development teams behind these programs spent countless hours with Common Core publications, scholarly articles about the Common Core, and renowned ELA, reading, and mathematics publications to fully understand the standards and how to best prepare students for them.


To meet increased demand of the standards, we built instruction and practice to match. The following key elements were instilled throughout the program.


For mathematics, it was important to focus on depth, not breadth. The following key elements were instilled throughout the program.
Ready is built on a strong research base.
Strong research base
Evidence-based practices were drawn from a wealth of books, articles, and journals. Classroom teachers were also an integral part of the development process.
Ready is guided by distinguished authors.
Distinguished authors
In order to connect the latest research with practical application in the classroom, the Ready program continues to evolve with guidance from authors who have a wide range of expertise in the field of mathematics education.
Ready has focus and coherence.
Focus and coherence
Shifting from a “mile-wide and inch-deep” curriculum to one that has focus and coherent progressions entails taking the time to lay a strong foundation, and then building knowledge on top of that foundation. This focus and coherence are the two major evidence-based design principles of the Ready program for mathematics.
Standards of Mathematical Practice are built into Ready.
Standards for Mathematical Practice (SMP)
Mastery of the SMPs is vital for students in order to be proficient in the mathematics they will encounter in college and careers. These SMPs are built into Ready Instruction while SMP tips are explicitly highlighted to make it easy for teachers to model them for students.
Ready addresses the “how” and “why” of mathematics.
The “how” and “why” of Mathematics
Ready lessons address the Common Core's emphasis on deepening conceptual understanding while also building procedural fluency—the “how” and “why” of math—by offering both concept and skills lessons.
Ready uses a gradual-release model.
Gradual-release instructional model
Lessons use a research-based, gradual-release instructional model that builds students' independence.
Ready includes multiple representations of mathematical concepts.
Multiple representations
As recommended by, to measure if students have gained a deep understanding of a mathematical concept, assessment items must include multiple representations: Procedural Skills, Conceptual Understanding, and Application.
Ready develops mathematical discourse skills.
Mathematical discourse
To develop mathematical discourse skills, students are guided through collaborative reasoning and the exchange of ideas and mathematical arguments.
Ready helps students solve high Depth of Knowledge (DOK) items.
Depth of Knowledge (DOK) levels
Ready lessons encourage students to apply higher-order thinking skills and engage in math discourse to synthesize concepts, and Performance Tasks demand strategic thinking and complex reasoning to solve rigorous DOK items. Ready Instruction has a larger distribution of high DOK items, focused on building cognitive skills needed at DOKs 2–4.
Ready includes point-of-use professional development.
Point-of-use professional development
Substantial research suggests that professional development is most effective when it is constant and in the context of the classroom. The Ready program was designed in a way that makes it possible for teachers to get started right away and begin to make an impact.
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