Calculates rates involving cost per unit to determine the best buy. SPI 0806.1.3

Links verified on 1/29/2010

1. American Grocery Shoppers - Consider the problem of determining a "better buy" when you are shopping for canned tomatoes. (an interesting perspective on unit cost)
2. Applying the Unit Rate Approach - [worksheet] students record the rate appropriate for the question asked, find the corresponding unit rate, write a short sentence interpreting the unit rate, and use the rate to find a solution to the problem
3. The Cost Per Unit of Baking Items - calculate the cost of recipes
4. Finding and Interpreting the Unit Rate - [worksheet] students use division to find the unit rates, then write a short sentence explaining each unit rate
5. Math at the Mall - practice percentages and finding the best deal while shopping at a virtual mall
6. Proportional Relationships and Unit Rates - lesson plan with links to several worksheets
7. Quiz on Smart Shopping - a three question quiz to test understanding of cost per unit
8. What's for Lunch? Pizza Cost Comparison - Visit the Internet Pizza Server and compare costs for different combinations of toppings and pizza sizes. You will also have the opportunity to create and "order" a pizza of your choice.