8.MATH.8.A

Write one-variable equations or inequalities with variables on both sides that represent problems using rational number coefficients and constants.

Grade 8 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012

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Vocabulary
one-variable equationsinequalitiesvariables on both sidesproblemsrational number coefficientsconstants
Skills
  • write (one-variable equations with variables on both sides) #dok2
  • write (one-variable inequalities with variables on both sides) #dok2
  • represent (problems using rational number coefficients and constants) #dok2
  • model (real-world situations using equations or inequalities) #dok3
Learning Targets
  • I can recognize and identify one-variable equations and inequalities with variables on both sides. #dok1
  • I can recall the meaning of coefficients and constants in an equation or inequality. #dok1
  • I can write one-variable equations with variables on both sides to represent a problem with rational coefficients and constants. #dok2
  • I can write one-variable inequalities with variables on both sides to represent a problem with rational coefficients and constants. #dok2
  • I can formulate a mathematical model for a real-world situation using a one-variable equation or inequality. #dok3
  • I can justify the process I used to translate a real-world problem into an equation or inequality with variables on both sides. #dok3
Big Ideas
  • Translating real-world and mathematical problems into algebraic equations or inequalities is essential for solving complex problems.
  • Equations and inequalities with variables on both sides deepen understanding of algebraic relationships and develop flexible problem-solving skills.
Essential Questions
  • How can I translate a real-world problem into a one-variable equation or inequality with variables on both sides?
  • What is the difference between writing equations and inequalities to represent problem situations?
  • Why do we use variables on both sides of equations and inequalities, and what does that represent?
  • How do rational number coefficients and constants affect the solutions to equations and inequalities?
  • How can I ensure my equation or inequality accurately represents the original problem?