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
Shots, Standings, and Shopping
Rates and ratios can easily be applied to real-world situations. Learners explore a series of websites in order to procure comparable data. They define ratios and rates, view videos, and use the internet to explore how ratios and rates...
Curated OER
What's the Price?
Fourth graders learn about price and comparative shopping. In this price and comparative shopping lesson plan, 4th graders read Amy Axelrod's, Pigs Go To Market: Fun with Math and Shopping. They use the book to investigate the meaning of...