iRubric: Manipulating Equations rubric

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Manipulating Equations Manipulating Equations Students understand what an equation is and how to manipulate an equation by adding equals and multiplying equals by the same number Rubric Code: P8X47C By mfakhry11 Ready to use Public Rubric Subject: Math Type: Assignment Grade Levels: K-5, 6-8, 9-12, Undergraduate

Manipulating Equations
	Poor 1 pts	Fair 2 pts	Good 3 pts
Know what an equation is	Poor Assignment does not have an equal sign in it demonstrating knowledge that an equation has an equal sign showing that two quantities are equal.	Fair Assignment has an equal sign, but the equation is not true, or balanced. Both quantities of the equation do not equal	Good Assignment demonstrates knowledge of what an equation is and that an equation must be true, or balanced.
Adding Equals to Equals	Poor You did not add to both sides of the equation. You used a different operation rather than addition.	Fair You added to your equation, but you did not add equal amounts to keep the equation true, or balanced.	Good You demonstrated a complete understanding of adding equals to all parts of an equation to manipulate the equation in a way that keeps the equation true, or balanced.
Multiplying Equals by a Number	Poor You did not multiply to manipulate the equation. You used a different operation.	Fair You multiplied a number to your equation, but you did not keep your equation true, or balanced.	Good You demonstrated a complete understanding of multiplying an equal equation by a number to manipulate the equation in a way that keeps the equation true.