What's Your Rate?
http://illuminations.nctm.org/LessonDetail.aspx?ID=L511
A lesson plan for grade 7 Mathematics
Students learn to write and solve proportions by gathering data and calculating unit rates. Illuminations provides detailed instruction and an activity sheet necessary for completing the lesson.
Students will:
- Collect data on unit rates by timing themselves doing a variety of activities.
- Use unit rates to set up proportions.
- Create and solve proportions.
NCTM Standards and Expectations:
- Understand relationships among units and convert from one unit to another within the same system.
- Solve problems involving scale factors, using ratio and proportion.
North Carolina Curriculum Alignment
Mathematics (2004)
Grade 7
- Goal 1: Number and Operations - The learner will understand and compute with rational numbers.
- Objective 1.01: Develop and use ratios, proportions, and percents to solve problems.


