iRubric: Operations with Signed Numbers rubric

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Operations with Signed Numbers Operations with Signed Numbers Given a numerical problem using signed numbers and basic operations of addition, subtraction, multiplication, division Rubric Code: C69C73 By LindaGould Ready to use Public Rubric Subject: Math Type: Class note Grade Levels: 6-8

Signed Number Opers
	Unsatisfactory 1 pts	Satisfactory 2 pts	Excellent 3 pts
Correctly change subtraction to add	Unsatisfactory No attempt to change subtraction problem to addition	Satisfactory Attempt made to change to addition. Incorrect placement of sign, extra sign.	Excellent Correctly change subtraction to addition
Calculation	Unsatisfactory Three or more calculations incorrect	Satisfactory One or two calculations incorrect	Excellent All calculations are done correctly
Explain steps	Unsatisfactory Confusing, incomplete explanation	Satisfactory Partial explanation	Excellent Complete, easy to follow explanation