iRubric: Converting a Recipe rubric

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Converting a Recipe Changing a Recipe Students will convert a recipe by cutting it in half, doubling it,and/ or tripling it. Students will write a ratio in simplest form. Students wil explain the math they used and why. Rubric Code: D77338 By lclinton2 Ready to use Public Rubric Subject: Math Type: Assignment Grade Levels: (none)

Converting a recipe
	Poor 1 pts	Fair 2 pts	Good 3 pts	Excellent 4 pts
Ratio	Poor At least one number is written accurately.	Fair The numbers in the ratio were written in the wrong order.	Good Ratio was written accurately, but no in simplest form.	Excellent Ratio was written accurately in simplest from.
Explanation	Poor Explanation tells a little about what the math was or why they did the math that was done. Not enough information is expalined.	Fair Explanation is incomplete. It does not thoroughly explain the math done and why. However, there are some accuracies there.	Good Explanation accurately describes either the math done or why they did that math.	Excellent Expalnation accurately and completely describes the math that was done and why.
Group collaboration	Poor Only one person in group completed given tasks. List who completed all tasks.	Fair Only two people completed the given taks. List who completed all tasks.	Good Half of the group members participated in the given task. List who completed given tasks.	Excellent All members participated in given task.
Converted recipe	Poor Only 1 -3 of the recipe ingredients were converted correctly depending on the number of ingredients.	Fair Less than half of the recipe ingredients were converted correctly. But more than 1-3 depending on the number of ingredients.	Good More than half of the recipe ingredients were converted correctly.	Excellent All ingredients of the recipe were converted correctly.