iRubric: Scale drawing rubric

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Scale drawing

VisCom 117. Scale drawing

Student will enlarge a small drawing using the grid method.

Rubric Code: FB7BA7

By ldenatale

Ready to use

Public Rubric

Subject: Math

Type: Assignment

Grade Levels: 6-8

Grid method Transfer line drawing from small grid to large grid.
	Below standard 1 pts	Approaching standard 2 pts	Is meeting standard 3 pts	Exceeding Standard 4 pts
grid off original artwork Draw grid over small drawing accurately choosing appropriate scale.	Below standard Student used wrong size grid to draw original to proper large scale. Student draws inaquarate grid in sloppy manner. Line work on grid is inconsistent.	Approaching standard Student uses appropriate grid to enlarge to scale. Grid is somewhat accurate. Grid covers complete small drawing and all linework is consistent.	Is meeting standard Appropriate gride used to enlarge. Grid is accurate and covers complete artwork. Linework is sufficient.	Exceeding Standard Exact scale grid is chosen to enlarge small drawing. Grid covers complete artwork and all linework is accurate and clearly drawn.
Create large scale grid. Draw accurate large grid to accept transferred artwork.	Below standard Wrong scale grid is used. Grid lines are not accurate and sloppy.	Approaching standard Appropriate scale grid is chosen but grid lines are not drawn exactly.	Is meeting standard Appropriate scale grid is used and large grid lines are accurate.	Exceeding Standard Perfect scale is chosen to draw grid. All linework is clearly and accurately drawn.
Transfer line drawing to large grid Accurately transfer linework from small grid to large grid.	Below standard Transferred line drawing from small grid to large grid is inaccurate and sloppy. Lines do not meet at grid edges. Lines drawn too sketchy.	Approaching standard Drawn lines are somewhat accurate but not duplicated exactly. Lines somewhat align at grid edges.	Is meeting standard Transferred linework is close to original image and all lines meet at grid edges. Transferred linework is is mostly clear and distinct.	Exceeding Standard Transferred linework from small grid to large grid is exact and accurate. All linework meets exactly a grid edges. Drawn lines are cleat and accurate. Finished enlargement is exact duplicate of original small artwork.
Written Respone	Below standard Did not explain scale using vocabulary or did not complete at all	Approaching standard Response incoporates calculations, and prediction of reducing scale. But does not show student comprehension of standard	Is meeting standard Response incoporates vocabulary, calculations, and prediction of reducing scale.	Exceeding Standard Response incoporates vocabulary, calculations, and shows and fully explains both enlargement of image and reduction.