Illustrative Mathematics
Illustrative Mathematics: F Le a Valuable Quarter
The context of this task is that a quarter was put into a bank account in 1901 and students are asked to calculate its value in 2013 at two different interest rates. Those amounts are compared to the appreciation rate of a rare and...
Illustrative Mathematics
Illustrative Mathematics: 8.ee Dvd Profits, Variation 1
Eighth graders examine the costs of producing DVDs, taking into account the cost of building a factory. They need to look at units costs for DVDs, fixed prices, and building costs. They are asked to compare the costs for producing them...