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Eighth grade mathematics is about
- Formulating and reasoning about expressions and equations, including modeling an association in bivariate data with a linear equation, and solving linear equations and systems of linear equations
- Grasping the concept of a function and using functions to describe quantitative relationships
- Analyzing two- and three-dimensional space and figures using distance, angle, similarity, and congruence, and understanding and applying the Pythagorean Theorem.

About Downloadable Resources

A Story of Ratios, Curriculum Map and Overview for Grades 6-8: The Curriculum Map and Overview of A Story of Ratios provides teachers with a clear picture of the modules at each grade level from Grade 6 to 8.

CCLS Checklist for A Story of Ratios: The CCLS Checklist for A Story of Ratios includes grade-level charts providing an at-a-glance view of when each standard is addressed.

Mathematics Fluency Support for Grades 6–8: The Common Core Standards for Mathematics call for students to obtain and demonstrate not only conceptual understanding and problem solving, but also procedural skill and fluency.

Scaffolding Instruction for ELLs: Resource Guide for Mathematics: provide guidance to educators on how to take the curriculum materials on EngageNY and provide additional scaffolds for ELL students according to their level of English language proficiency.

Lesson 4 - Simplifying square roots