IM 7.4.8 Practice: Percent Increase and Decrease with Equations

This GeoGebra example demonstrates how to solve real-world problems involving percent increase and decrease using equations. It focuses on the core mathematical concept of proportional reasoning and algebraic modeling, where students set up equations relating the original amount, the percent change, and the final amount. The construction likely uses interactive elements such as sliders, input boxes, or dynamic text to allow exploration of different percent scenarios, though the provided construction summary lists no specific commands. This practice is designed for seventh-grade students to reinforce their understanding of percent change and equation solving, bridging word problems with algebraic representations. It is suitable for classroom practice or independent study, helping learners translate verbal situations into mathematical equations and solve for unknowns.