MATH 202 Chapter 7: Chapter 7 Summary
Document Summary
7. 1 motivating and defining ratio and proportional relationships: ratios provide us with a mathematical way to describe qualities of quantities that are combined or related, there are 2 perspectives on ratio: Variable-parts perspective: we can use tables, double number lines and strip diagrams to represent and compare ratios and proportional relationships. 7. 2 solving proportional problems by reasoning with multiplication and division: solved by reasoning about quantities in several ways. Initial strategies can use repeated addition; while more advanced strategies rely on reasoning about multiplication and division: strategies provide opportunities for quantitative reasoning, including making sense of quantities and their relationships, not just how to compute them.
