iRubric: Exponential Growth & Decay rubric

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Exponential Growth & Decay

Use the growth or decay factor to solve some real life like problems. Show all appropriate work to receive a full credit. Neatness counts!!!! Work out the problem for each of the x values.

Rubric Code: VC92XA

By ragusa

Ready to use

Public Rubric

Subject: Math

Type: Handout

Grade Levels: 9-12

Exponential Growth or Decay
	Below Expectations 25 pts	Satisfactory 50 pts	Above Expectations 75 pts	Excellent 100 pts
Neatness/Appearance	Below Expectations Not many colors, hard to distinguish between representations, not very legible or neat	Satisfactory Readable, neat, a variety of colors, easy to connect picture and information (math)	Above Expectations Readable, neat, a variety of colors, easy to connect picture and information (math), nothing on the back of the paper	Excellent Very neat, easy to read, colorful, each picture labeled, one representation does not go onto a second page, nothing on the back of the paper
Explanation	Below Expectations No work, Just stating the x and y values	Satisfactory Substitute the x values into the equation and state the y value	Above Expectations Substitute the x values into the equation, show steps to getting the y value, and state the y value	Excellent Substitute x values into the equation, show steps to get the y value, and state the y value; showing the proportions of the fraction that were shaded
Accuracy	Below Expectations	Satisfactory Incorrect representations, Different size shapes, Not proportional,	Above Expectations One or two shapes are not the same size, not proportional on one picture	Excellent All shapes same size, Proportional representations
Extra Requirements
	Enter Title (N/A)	"a" Value 5 pts	Late 10 pts	Enter Title (N/A)
Miscellaneous	Enter Title	"a" Value +5 for an "a" value other than 1	Late -10 pts for each day late	Enter Title