8.2 Proportional Relationships, Lines, and Linear Equations
Beginning Lesson
Domino Effect
How much is Domino’s really charging for pizza? Students use slope, y-intercept, and linear equations to explore the costs of different-sized pizzas at Domino’s and debate whether the pizza chain should be more transparent in its pricing.
Topic:
Functions (F)
Middle Lesson
Crop and Trade
Which crops should farmers grow? Students use linear relationships and proportional reasoning to explore comparative advantage and the risks and benefits of trade.
Topic:
Expressions and Equations (EE)
End Lesson
Not So Fast
How should speeding tickets be calculated? Students use linear equations to explore how police officers determine speeding fines...and whether tickets are calculated fairly.
Topic:
Functions (F)