Big Ideas Math, Course 3 — Lessons, Skills & Practice | Pengi

Big Ideas Math, Course 3, published by Big Ideas Learning LLC, is a Grade 8 mathematics textbook designed to build algebraic reasoning and geometric understanding in middle school students. The course covers a wide range of topics including solving equations, graphing and writing linear equations, systems of linear equations, functions, transformations, angles and triangles, the Pythagorean theorem, real numbers, volume and similar solids, exponents and scientific notation, and data analysis and displays. Aligned with Common Core standards, it provides a rigorous, balanced approach that prepares eighth graders for high school algebra and geometry.

Big Ideas Math, Course 3 covers 10 chapters and 51 lessons on Pengi.

Big Ideas Math, Course 3 textbook table of contents

Chapter 1: Equations

Chapter 2: Transformations

Chapter 3: Angles and Triangles

Chapter 4: Graphing and Writing Linear Equations

Chapter 5: Systems of Linear Equations

  • Lesson 1: Solving Systems of Linear Equations by GraphingLearnPractice
  • Lesson 2: Solving Systems of Linear Equations by SubstitutionLearnPractice
  • Lesson 3: Solving Systems of Linear Equations by EliminationLearnPractice
  • Lesson 4: Solving Special Systems of Linear EquationsLearnPractice

Chapter 6: Functions

Chapter 7: Real Numbers and the Pythagorean Theorem

Chapter 8: Volume and Similar Solids

Chapter 9: Data Analysis and Displays

Chapter 10: Exponents and Scientific Notation

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