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iRubric: Adding and Subtracting Decimals Project rubric

iRubric: Adding and Subtracting Decimals Project rubric

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Adding and Subtracting Decimals Project 
Adding, Subtracting, Multiplying and Dividing Decimals
Essential Questions Answered 1. Explanation of the place value system. 2. How to add decimals. 3. How to subtract decimals. 4. Include examples, and visual models to help the class have a clear understanding of how to work with decimals. You should have multiple representations using pictures, numbers and words.
Rubric Code: YXB5365
By SimsSh
Ready to use
Public Rubric
Subject: Math  
Type: Project  
Grade Levels: K-5

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  Poor

1 pts

Fair

2 pts

Good

3 pts

Excellent

4 pts

Place Value Chart with a Decimal

Poor

The base-ten place value system is not explained accurately and has little to no detail.
Fair

The base-ten place value system is addressed, but not in depth and/or contains inaccuracies.
Good

The base-ten place value system is addressed in detail with decimal and had little to no inaccuracies.
Excellent

The base-ten place value system is addressed from the thousandths place through the millions place with decimals. A thorough and accurate explanation of the system is provided, along with examples.
Place Value Chart Without a Decimal

Poor

The base-ten place value system is not explained accurately and has little to no detail.
Fair

The base-ten place value system is addressed, but not in depth and/or contains inaccuracies.
Good

The base-ten place value system is addressed in detail and had little to no inaccuracies.
Excellent

The base-ten place value system is addressed from the thousandths place through the millions. A thorough and accurate explanation of the system is provided, along with examples.
Adding Decimals

Poor

An explanation of how to add decimals is not attempted, or contains many inaccuracies.
Fair

An explanation of how to add decimals is attempted, but contains little detail and/or has some inaccuracies.
Good

An explanation of how to add decimals is provided but why the decimal point is placed is not addressed.
Excellent

A thorough explanation of how to add decimals and why the decimal point is placed where it is provided, along with examples.
Subtracting Decimals

Poor

An explanation of how to subtract decimals is not attempted, or contains many inaccuracies.
Fair

An explanation of how to subtract decimals is attempted, but contains little detail and/or has some inaccuracies.
Good

An explanation of model subtract decimal is provided but why the decimal point is placed is not addressed.
Excellent

A thorough explanation of subtract decimals and why the decimal points is placed where it is, along with examples.
Skills: Model Adding Decimals

Poor

An explanation of modeling adding decimals is not attempted, or contains many inaccuracies.
Fair

An explanation of modeling adding decimals is attempted, but contains little detail and/or has some inaccuracies.
Good

An explanation of model adding decimal is provided but with one way to model adding decimal.
Excellent

A thorough explanation of modeling adding decimals and with multiple examples or ways of adding decimals.
Skills: Model Subtracting Decimals

Poor

An explanation of modeling subtracting decimals is not attempted, or contains many inaccuracies.
Fair

An explanation of modeling subtracting decimals is attempted, but contains little detail and/or has some inaccuracies.
Good

An explanation of model subtracting decimal is provided but why the decimal point is placed is not addressed.
Excellent

A thorough explanation of modeling subtracting decimals and with multiple examples or ways of subtracting decimals.
Creativity

Poor

The student did not attempted or contains any creativity.
Fair

The student attempted or contains little creativity.
Good

The student showed some creativity.
Excellent

The student showed creativity throughout. some creativity.
Neatness

Poor

The student did not attempted or contains nay neatness.
Fair

The student attempted or contains little neatness.
Good

The student showed some neatness.
Excellent

The student showed neatness throughout. some neatness.



Keywords:
  • Adding and Subtracting Decimal

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