3 Common Core Standards
1. 2NBT5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
2. 2OA1 Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart,, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
3. 2NBT9 Explain why addition and subtraction strategies work, using place value and the properties of operation.
2. 2OA1 Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart,, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
3. 2NBT9 Explain why addition and subtraction strategies work, using place value and the properties of operation.
Grading Rubric
Standard 2 NBT 5: Applies to question 1-7
Level 4: Limited opportunity
Level 3: 6 of 7 questions right
Level 2: 4 of 7 questions right
Level 1: 3 or less questions right
Standard 2 NBT 9: Applies to question 5-7
Level 4: Student observes patterns and generalities and incorporates them in his or her answer.
Level 3: 3 of 3 questions right
Level 2: 2 of 3 questions right
Level 1: 1 of 3 questions right or less
Standard 2 OA 1: Applies to question 5 and 6
Level 4: Student observes patterns and generalities and incorporates them in his or her answer.
Level 3: 2 of 2 questions right
Level 2: 1 of 2 questions right
Level 1: 0 of 2 questions right
Level 4: Limited opportunity
Level 3: 6 of 7 questions right
Level 2: 4 of 7 questions right
Level 1: 3 or less questions right
Standard 2 NBT 9: Applies to question 5-7
Level 4: Student observes patterns and generalities and incorporates them in his or her answer.
Level 3: 3 of 3 questions right
Level 2: 2 of 3 questions right
Level 1: 1 of 3 questions right or less
Standard 2 OA 1: Applies to question 5 and 6
Level 4: Student observes patterns and generalities and incorporates them in his or her answer.
Level 3: 2 of 2 questions right
Level 2: 1 of 2 questions right
Level 1: 0 of 2 questions right
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