University of Cambridge
University of Cambridge: Nrich: Treasure Island
See if you can find what the ordered pairs are for each of the items on the map. This one page website will help you practice plotting points on the grid. You can check the answers right on the website.
PBS
Pbs Learning Media: Calculating Distance Using the Pythagorean Theorem
This interactive exercise focuses on using the Pythagorean Theorem to calculate distance and plotting points on a Cartesian grid.
Harvard University
Harvard University: Maps and Mapping
This site is provided for by Harvard University. Students follow a map on a scavenger hunt, create a map of their classroom and their town, learn how to read topographic maps, and discover latitude and longitude in these inquiry activities.
University of Cambridge
University of Cambridge: Nrich: Transformation Tease
Follow the directions at this one page website. You will get lots of practice plotting points on the coordinate grid and experience with transformational geometry.
University of Regina (Canada)
University of Regina: Math Central: Introduction to Slope for Middle Years Mathematics
This collection of five middle school math lessons covers the topic of plane geometry, specifically the concept of slope. The first lesson introduces middle schoolers to plotting points on a Cartesian grid using a Geoboard. Lesson two...