Rates, Tables, Tape Diagrams, and the Coordinate Plane

Ratios are relationships. But proportional reasoning is what happens when students learn to use those relationships to solve problems.

In this episode, we move from identifying ratios to reasoning with them. You’ll explore how tape diagrams, ratio tables, double number lines, and the coordinate plane make proportional relationships visible before formulas ever appear. Geometry shows up through alignment, iteration, and scaling. Number sense shows up through unit rates, benchmark reasoning, and magnitude checks.

We’ll dig into why a rate is more than division, how early language around independent and dependent variables builds readiness for graphing, and what it sounds like when students are truly reasoning instead of copying steps.

You’ll also hear a real classroom example highlighting the importance of total participation and structured thinking routines, along with practical tweaks that increase accountability and deepen reasoning.

Finally, we address a critical balance: representation and fluency must work together. When students build number systems fluency, they reduce cognitive load and free up mental space for deeper problem solving.

This episode answers:
How do we help students see proportionality instead of memorizing steps?

Reflect on the following in your next PLC:

• When students solve proportional problems in your classroom, what evidence do you see that they are reasoning about relationships rather than following procedures?
• How often are students required to represent proportional relationships in multiple ways before calculating, and what does that reveal about their understanding?
• Where might gaps in number systems fluency be increasing cognitive load and limiting students’ ability to reason proportionally?

Send a text

Thanks for tuning in to this episode of the Make Math Happen podcast! If you enjoyed today’s conversation, subscribe on your favorite listening platform, leave a review, and share this episode with your fellow educators.

You can also join the discussion and connect with me directly by clicking the link to join the Math Collective. Together, we’ll keep exploring practical strategies to transform classrooms and inspire students.

Remember, new episodes drop every Sunday at 9:00 am, so mark your calendars! Until next time, keep making math happen, and I’ll catch you in the next episode.

If you like math videos, let's connect:

• YouTube
• TikTok