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Khan Academy

Khan Academy: Coordinate Plane Word Problems (Quadrant 1 Challenging)

For Students 4th - 6th Standards
Try some coordinate plane word problems focusing on quadrant 1. Miss the problem, and Kahn offers some tutorials for help.
Graphic
University of Cambridge

University of Cambridge: Nrich: A Cartesian Puzzle

For Students 3rd - 8th Standards
This one page website lets you practice plotting points on the coordinate grid. See if you can find the missing coordinates to complete the shapes. When you are finished the solutions are only a click away.
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University of Victoria (Canada)

Elc: Study Zone: Basic Coordinating Conjunctions Exercise

For Students 6th - 8th Standards
This quiz asks students to supply the missing conjunction from complete sentences. Features simple exercise.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.rp Walk a Thon 1

For Teachers 5th - 7th
A performance task where students fill in the missing values on a table, plot the corresponding points in the coordinate plane, and find the two unit rates that are associated with this proportional relationship.