This all-in-one 6.EE.B.5 resource bundle gives students multiple ways to explore what makes a number a solution to an equation or inequality. Through substitution, reasoning, and hands-on activities, students gain a deeper understanding of how to verify solutions and interpret mathematical statements. Perfect for warm-ups, notebooks, math centers, or sub plans! What’s Included: Foldable Notes – 6-page mini-book with definitions, examples, and practice Go Fish / Memory Game – Match expr