8adv.MATH.2.D
Write and solve equations involving direct variation.
Grade 8 (Advanced) · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
equationsdirect variation
Skills
- write (equations involving direct variation) #dok2
- solve (equations involving direct variation) #dok2
- identify (situations that represent direct variation) #dok2
- interpret (constants and variables in direct variation equations) #dok2
Learning Targets
- I can write equations that model direct variation between two variables. #dok2
- I can solve equations involving direct variation to find unknown values. #dok2
- I can identify when a given situation or equation represents direct variation. #dok2
- I can interpret what the constant of variation means in the context of a problem. #dok2
Big Ideas
- Direct variation describes a linear relationship in which one variable changes in direct proportion to another, passing through the origin.
- Solving and writing direct variation equations supports understanding of proportional relationships in algebraic contexts.
Essential Questions
- How can you recognize if a relationship or equation represents direct variation?
- What does the constant of variation represent in a real-world scenario?
- How do you write the equation of a direct variation for a given situation?
- How do you solve for an unknown in a direct variation equation?
- Why is direct variation considered a type of proportional relationship?