By doing the measurement and the computations, you should be able to decide and report back to the alien about which is easier within the time limit. Worksheet is a bit messy, numbers are readable but not lined up, some work is shown, some measurements are labeled, sometimes choose correct way to measure. Worksheet is pretty neat, number are readable, most of the work is shown, most measurements are labeled clearly, most often choose correct way to measure. Worksheet is very neat, numbers are lined up and easy to read, all work is shown and measurements are labeled clearly, always choose correct way to measure. Few answers are correct.
Some answers are correct.
Most of the answers are correct. All answers are correct. Brainstormed ideas to reach a decision Argued and disagreed instead of working together, never reached agreement. Had hard time working together and couldn't reach agreement. Worked as a team but almost reached agreement.