Grade 8 Master Proportionality – TEKS


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  • Represent proportional relationships
  • Solve direct variation problems
  • Connect proportional and non-proportional situations
  • Find the slope and y-intercept and use them to write equations of lines
  • Predict changes in graphs based on changes in slope and
  • Tell if a relation is a function


TeachTransform’s Grade 8 Master Proportionality & Other Linear Relationships is all about modeling and representing linear relationships. Activities include major scaffolding so algebraic reasoning becomes accessible to all students, not just the ones who are already reasoning abstractly. 

Investigations, puzzling problems, and zombies keep students interested and develop problem solving grit. This isn’t your typical “take notes” kind of instruction. It’s instruction that teaches students to and requires them to reason and justify using academic discussion, collaboration, and writing. 

Grade 8 Master Proportionality & Other Linear Relationships includes activities for the whole class, small groups, tutoring, and intervention that build the academic language of algebra.

Each activity includes:

  • TEKS
  • Setting Up for Instruction
  • How-To Guide with full teacher directions including questions
  • Thought Extender Questions to help students get ‘unstuck’ and focus on the math concepts
  • Answer Key

Tutoring & Intervention

Grade 8 Master Proportionality and Other Linear Relationships activities can be used for Tier 1, Tier 2, and Tier 3 instruction in 8th grade. Use Grade 7 Proportional Relationships to parts of activities to scaffold for struggling 8th graders. For example, use Buzz Off for students who need help understanding constant rate of change or Are Zombies Golden? for students who need help finding the constant of proportionality.

Instructional Alignment from Grades 3–8

Not only is the content aligned among the grades, but the instructional strategies are too. For students who are “growing up” with TeachTransform’s instructional materials, you can expect them, with a little prompting, to give an answer that includes a why, to use sentences to explain their thinking, to question each other in small groups. This lightens the instructional and cognitive load in each grade and leads to mastery.

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