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iRubric: Repeated Addition Arrays rubric

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Repeated Addition Arrays 
Multiplication Arrays
Construct an array and write repeated addition number sentences to develop a deeper understanding of adding and the connection to multiplication.
Rubric Code: DX935WA
By JMorg870
Ready to use
Public Rubric
Subject: Math  
Type: Project  
Grade Levels: K-5

Powered by iRubric Repeated Addition
Find an array in our around your home. Construct an array to match the one you found. It can be on paper with creative materials or 3-D. Write 2 repeated addition equations and explain how you know your answers are correct.
  Expectation NOT Met

1 pts

Needs Improvement

2 pts

Meets Expectations

3 pts

Exceeds Expectations

4 pts

Construct an Array

Use an arrays to model repeated addition
Expectation NOT Met

Student's array does not correspond to the equations.
Needs Improvement

Student does not understand how to write equations to represent the way he/she sees figures organized.
Meets Expectations

Student understands how to write equations to represent the way he/she sees figures organized.
Exceeds Expectations

Student performed above basic instructions of creating an array.
Repeated Addition Equation - Row

Write a repeated addition equation to match the rows in the array in which they have created
Expectation NOT Met

Student does not understand how to write an equation to represent the way he/she sees figures organized.
Needs Improvement

Student has 2 errors in writing an equation to represent the way he/she sees figures organized.
Meets Expectations

Student has 1 error in writing an equation to represent the way he/she sees figures organized.
Exceeds Expectations

Student has 0 errors in writing an equation to represent the way he/she sees figures organized.
Repeated Addition Equation - Column

Write a repeated addition equation to match the columns in the array in which they have created
Expectation NOT Met

Student does not understand how to write an equation to represent the way he/she sees figures organized.
Needs Improvement

Student has 2 errors in writing an equation to represent the way he/she sees figures organized.
Meets Expectations

Student has 1 error in writing an equation to represent the way he/she sees figures organized.
Exceeds Expectations

Student has 0 errors in writing an equation to represent the way he/she sees figures organized.
Creativity and Neatness

Used creativity in the materials selected to construct a neatly arranged array.
Expectation NOT Met

Student did not construct an array.
Needs Improvement

Student did not place much emphasis on neatness and/or creativity.
Meets Expectations

Student's array was carefully and neatly constructed. Student's array was constructed using creative materials.
Exceeds Expectations

Student's effort in neatness and creativity exceeded expectations.
Explain your Answers

In words, explain how you know the repeated addition equations for both the rows and columns are correct.
Expectation NOT Met

Answers are not explained, and/or has 4 or more errors or missing pieces.
Needs Improvement

Answers are explained with 2-3 errors or missing pieces.
Meets Expectations

Answers are explained with 1 error or missing piece.
Exceeds Expectations

Answers are completely explained with no errors.



Keywords:
  • Arrays

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