iRubric: Straw Towers rubric

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Straw Towers

Students will build a straw tower as tall as possible that can support the weight of a tennis ball on the smallest budget possible.

Rubric Code: FXWX2W6

By bernatowiczew

Ready to use

Public Rubric

Subject: Math

Type: Project

Grade Levels: 6-8

Tower Project
	Poor 0 pts	Tried 1 pts	Attempted 2 pts	Good 3 pts	Succeeded 4 pts	Excellent 5 pts
Free standing	Poor 0-14 inches	Tried 15-23 inches	Attempted 24-31 inches	Good 32-40 inches	Succeeded 41-49	Excellent 50-58 and higher
Supported a tennis ball	Poor Fell over and did not hold any weight.	Tried 1-9 seconds	Attempted 10-19 seconds	Good 20-24 seconds	Succeeded 25-29 seconds	Excellent 30 seconds of longer
Placement of tennis ball	Poor Bottom of tower	Tried 3/4 of a way down the tower	Attempted 1/2 of the way down tower	Good 1/4 of the way down tower	Succeeded 1/8 of the way down tower	Excellent Top of tower
Budget	Poor More than $135.00	Tried $120.00 or more, but less than $135.00.	Attempted $105.00 or more, but less than $120.00.	Good $90.00 or more, but less than $105.	Succeeded $75.00 or more, but less than $90.00.	Excellent Below $75.00.
Budget accuracy	Poor All calculations are inaccurate. The work is not organized and not neatly written. No work is shown.	Tried Most calculations are inaccurate. The work is not organized and not neatly written. Some work is shown.	Attempted Less than half of the calculations are accurate. The work is organized and neatly written. Some work is shown.	Good Half of the calculations are accurate. The work is mostly organized and neatly written. Most work is shown.	Succeeded Almost all calculations are accurate. The work is organized and neatly written. All work is shown.	Excellent All calculations are accurate. The work is organized, and neatly written. All work is shown.