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iRubric: Grade 2 Addition and Subtraction rubric

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Grade 2 Addition and Subtraction Rubric Code: KXW5BX7 By LPinel Draft Public Rubric Subject: Math Type: Assignment Grade Levels: K-5

Academic Achievement Indicators
	Zero Demonstrate and explain the effect of adding 0 to, or subtracting 0 from, any number (N/A)	Addition Demonstrate an understanding of addition (limited to 1- and 2-digit numerals) with answers to 100 (N/A)	Subtraction Demonstrate an understanding of subtraction (limited to 1- and 2-digit numerals) with answers to 100 (N/A)	Mental Math Describe and apply mental math strategies for addition and subtraction facts to 18 (N/A)
Limited	Zero Student shows an incomplete understanding of the concepts and skills.	Addition Student shows an incomplete understanding of the concepts and skills.	Subtraction Student shows an incomplete understanding of the concepts and skills.	Mental Math Student shows an incomplete understanding of the concepts and skills.
Satisfactory	Zero Student shows an adequate understanding and is starting to apply learning.	Addition Student shows an adequate understanding and is starting to apply learning.	Subtraction Student shows an adequate understanding and is starting to apply learning.	Mental Math Student shows an adequate understanding and is starting to apply learning.
Proficient	Zero Student shows a strong understanding and relevant application of the learning.	Addition Student shows a strong understanding and relevant application of the learning.	Subtraction Student shows a strong understanding and relevant application of the learning.	Mental Math Student shows a strong understanding and relevant application of the learning.
Excellent	Zero Student demonstrates and in-depth understanding and insightful application of the learning in a variety of situations.	Addition Student demonstrates and in-depth understanding and insightful application of the learning in a variety of situations.	Subtraction Student demonstrates and in-depth understanding and insightful application of the learning in a variety of situations.	Mental Math Student demonstrates and in-depth understanding and insightful application of the learning in a variety of situations.