Module 2: Ratios, Proportion, and Percent
Curriculum Objectives
- Solve ratios and proportions
- Solve percent problems and calculate simple interest
- Solve problems involving percent of increase or decrease
- Solve consumer finance problems involving discounts, markups, and sales tax
- High School Competency Test (HSCT) review on ratio, proportion, and percent
- Find the probability and odds of simple and compound events
Flexible Projects & Lab Activities
9 Projects AvailableProjects are flexible unit-level learning investigations chosen by the teacher. They belong to the module in general rather than specific days, giving educators freedom to schedule or assign them at their discretion throughout the unit.
Project: Construction of Pi
Geometric discovery of the circumference-to-diameter ratio through circular measurement.
Project: Scale Diagram
Scale factors, architectural drawings, and dimensional reduction.
Lab: Body Parts
Anthropometric measurements exploring da Vinci’s Vitruvian proportions.
Project: Single Elimination Tournament
Bracket mathematics, tournament seedings, and powers of two.
Project: Birthdays
Empirical probability survey exploring the classic Birthday Problem paradox.
Lab: How I Spend My Day
24-hour circular angle proportions and data visualization in circle graphs.
Lab: Pipe Cleaners and Area
Optimizing rectangular area with fixed perimeter constraints.
Lab Activity: MHS Twin 125
Speed, distance, and elapsed time proportional calculations at Daytona International Speedway.
Project: Traffic Timing
Engineering intersection yellow-light durations and traffic flow rates.