Illustrative Mathematics
Price per Pound and Pounds per Dollar
Help learners understand the concept of unit rate as it is applied to buying beans at a grocery store. The objective is to determine the unit rate in two ways, and then apply each ratio to an additional problem. The attached commentary...
Curated OER
NECESSARY WRAPPERS?
Students bring in a packaged item to unwrap. They weigh the pile of packaging and pile of product and determine which weighs more. They identify the source of raw materials for packaging and discuss ways to reduce packaging and overall...
Curated OER
Economies of Scale
Students define economics of scale as it applies to the electronic industry. They determine how some industries benefit from being very large not just from offering bulk buying.
Curated OER
Bookkeeping 101
Students state the important questions that must be answered through the use of expense records. They design and test a method for recording business expenses.