1A Latitude, Longitude, and the Prime Meridian
1B Finding Position Using the Sextant and Chronometer
2A Starting a Christmas Tree Farm
2B Math for Growing Corn
3A Math in the Kitchen: How to Scale a Recipe Up or Down
3B Cooking Around the World: Metric Measurements
4A The Math of Human Resources
4B Betting on the Best Health Plan
5A Saving with Compound Interest
5B The Rule of 72
6A Supply and Demand at the Window Factory
6B The Craftsman House
7A Olympic Scoring Systems
7B Scoring in the Heptathlon
8A Lewis Carroll's Games
8B Mathematical Puzzles
9A Comparing Temperatures in Different Climates
9B How to Read a Natural Gas Bill
10A What Is Geometry?
10B Pauline Sperry
11A Calculating Probability
11B The Positive and Negative Numbers Game
12A Symmetry in Art
12B Pablo Picasso: Pioneer of Cubism
13A Life Expectancy
13B Social Security and Life Expectancy
14A Rhythm Patterns in Thai Classical Music
14B The Geometry of the Chula Kite
15A Worldwide Oil Reserves: Produce More or Conserve?
15B The Energy Crisis of the 1970s
附录
Answer Key
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Comprehension Skills Profile
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