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iRubric: Coordinate Plane and Polygons rubric

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Coordinate Plane and Polygons 
Students plot ordered pairs on a graph to create a polygon and then they must find the area of the polygon.
Rubric Code: AC6C63
Ready to use
Public Rubric
Subject: Math  
Type: Assignment  
Grade Levels: 6-8

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Does not meet expectations

1 pts


Not so good, below expectations

2 pts


Good

3 pts


Very Good

4 pts


Excellent

5 pts

Appearance and Visual appeal

Graph is constructed neatly, points are evident and neatly plotted, and the lines are joined neatly.

1

Criteria is not met in all three components, but a recognizable picture is produced.
2

None of the criteria was done neatly and this distracts from the overall appearance of the picture.
3

One or two components of the criteria could have been done more neatly.
4

All criteria are done neatly, creating a smooth and very recognizable picture.
5

All criteria are done neatly, creating a smooth and very recognizable picture and<BR>
goes above and beyond what was asked. Exceeds all requirements.
Graph and Plotted Points

The graph is constructed according to instructions, points are evident and correctly plotted. The lines connect points in the sequence listed.

1

There were many errors in the graph layout, plotting of points, connection of the points.
2

There were several errors in the graph, plotting and/or connection of the points.
3

There were a few errors in the graph, plotting and/or connection of the points.
4

There were a couple of small errors in the graph, plotting and/or connection of the points.
5

There were no graph, plotting or connection errors evident.
Polygons

Polygons are clearly defined and plotted correctly. Student selected their own shapes.

1

One polygon was created without dimensions.
2

There were several errors in the polygon, plotting and/or connection of the points.
3

There were a few errors in the creation of polygons.
4

There were minor errors with the polygons, and none were irregular.
5

Three or more correct polygons were made.
Areas of Polygons

The area of each shape is indicated.

1

Areas are not done at all.
2

There were several errors in calculating the areas.
3

At least one of the areas were found.
4

More than one area was found.
5

The area was done for three or more polygons.



Keywords:
  • coordinate plane, coordinate point, origin, polygons and area

Subjects:






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