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iRubric: Add and Subtract Mixed Numbers rubric

iRubric: Add and Subtract Mixed Numbers rubric

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Add and Subtract Mixed Numbers 
Add/Subtract Fractions and Mixed Numbers
Rubric Code: H226949
By hbryan21
Ready to use
Public Rubric
Subject: Math  
Type: Assessment  
Grade Levels: K-5

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Objective 1: The students will be able to use standard algorithm to add and subtract mixed numbers scoring a 17 out of 21 on a rubric.

Objective 2: The students will be able to determine a fraction represented by a visual model, use benchmark fractions and number sense to estimate and assess reasonableness of an answer scoring 17 out of 21 on a rubric.
  Proficient

3 pts

Developing

2 pts

Beginning

1 pts

Procedural Fluency

The student shows computational accuracy with mixed numbers.

Questions: 1, 2, 3, 4
Proficient

The student independently completed computational accuracy with the mixed numbers and wrote the value of the expression in simplest form.
Developing

The student independently completed the computations with some mistakes, either got the wrong answer or didn't write the value of the expression in simplest form. Or, the student needed minimal assistance to complete the computations and achieved an accurate answer.
Beginning

The student needed extensive assistance to complete the computations, showed little to no work, and/or provided no answer.
Conceptual Understanding

The student shows evidence of thinking through a process to solve the problem, such as using a model, determining a best estimate, and explaining a process.

Questions: 5, 6, 7
Proficient

The student independently demonstrated their thought process to solve a problem and achieved an accurate answer.
Developing

The student independently demonstrated their thought process to solve a problem and did not achieve an accurate answer, or the student needed minimal assistance to demonstrate their thought process to solve a problem and achieved an accurate answer.
Beginning

The student struggled and needed extensive assistance to demonstrate their thought process, showed little to no work of their thought process, and/or provided no answer.
Mathematical Reasoning & Problem Solving

The student achieves a reasonable solution to the problem by applying logical thinking and describing the process for a solution.

Questions: 5, 6, 7
Proficient

The student independently achieved an accurate and reasonable answer to the problem, and described the "how" or "why" to the solution.
Developing

The student independently achieved an accurate and reasonable answer to the problem, but did not describe the "how" or "why" to the solution. Or, the student needed minimal assistance to achieve an accurate and reasonable answer to the problem, and to describe the "how" or "why" to the solution.
Beginning

The student struggled and needed extensive assistance to achieve an accurate or reasonable answer to the problem, and/or did not describe the "how" or "why" to the solution, or achieved an unreasonable answer to the problem.



Keywords:
  • Adding Fractions

Subjects:


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