Unit 9: Putting It All Together
In this optional unit, students use concepts and skills from previous units to solve problems involving Fermi problems, voting systems, and designing a course.
Worksheets
Every sheet has an answer key. Free to print, no login.
What this unit covers
A Making Connections · 8 lessons
Goals
- Apply proportional reasoning, algebraic expressions, and percentages to model real-world situations.
- Choose an appropriate level of accuracy when reporting estimates of quantities.
- Estimate quantities in a real-world situation, and explain the estimation strategy.
- Interpret and create diagrams involving a rectangle decomposed into squares.
Lessons
- Fermi Problems (Optional)
- Energy Flow (Optional)
- Making Paper (Optional)
- If Our Class Were the World (Optional)
- Rectangle Madness (Optional)
- Rectangle Fractions (Optional)
- Measurement Error (Optional)
- How Crowded Is This Neighborhood? (Optional)
B Voting · 5 lessons
Goals
- Choose and justify which voting system seems the fairest for dealing with more than two choices.
- Critique a statement reporting the results of a vote.
- Interpret voting situations involving more than two choices through the use of ratios and percentages.
Lessons
- How Do We Choose? (Optional)
- More than Two Choices (Optional)
- Comparing Voting Systems (Optional)
- Picking Representatives (Optional)
- Designing Districts (Optional)
C Designing a Course · 4 lessons
Goals
- Calculate the distance of a path using the circumference and number of rotations of a trundle wheel.
- Compare and contrast methods for measuring long distances.
Lessons
- Measuring Long Distances over Uneven Terrain (Optional)
- Building a Trundle Wheel (Optional)
- Using a Trundle Wheel to Measure Distances (Optional)
- Designing a 5K Course (Optional)