📈 One question runs the ENTIRE proportional reasoning strand: is the ratio constant? This wall set asks it six different ways — so your students stop guessing and start testing.Every poster shows the strategy, a worked example on every step, and a full SEE IT WORK walkthrough. And because these use the EXACT same strategy language as the Math Class 678 4-in-1 Skill Sheets (#40–#53), the words on your wall match the words on their worksheets. 🧠📌 WHAT'S INSIDE (8 pages)✔ THE RP SPINE — RATIO →