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iRubric: Rounding/Estimation rubric
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Rounding/Estimation
Rounding/Estimation
The students will round a given number by tens or hundreds by showing two strategies of estimation; the use of a number line and place value. Students will also explain how they arrived at the nearest ten or hundred.
Rubric Code:
GXWAW8A
By
Hecate
Ready to use
Public Rubric
Subject:
Math
Type:
Assessment
Grade Levels:
K-5
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Rouding/Estimation
CCSS.Math.Content.3.NBT.A.1
Use place value understanding to round whole numbers to the nearest 10 or 100.
Excellent
4 pts
Good
3 pts
Fair
2 pts
Poor
1 pts
Strategies
Student must show the number line strategy and the place value strategy.
Excellent
Student was able to use both strategies accurately and correctly labeled.
Good
Student used both strategies accurately, however missing labels.
Fair
Student was able to use one strategy correctly.
Poor
Student was unable to use one strategy correctly.
Explanation
Excellent
Student was able to explain in detail their thought process of how they estimated the number.
Good
Students was able to explain their thought process of how they estimated the number.
Fair
Student was brief in their explanation of their estimation.
Poor
Student was unable to explain their estimation.
Keywords:
Digits, Place Value, Standard Form, Expanded Form, Word Form, Ones, Tens, Hundreds, Thousands, Ten Thousands
Subjects:
Math
Types:
Project
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