Each team receives one sheet of problems. After that student is done, the sheet is passed down and the procedure repeated. No conferring between teammates until the end. If there is time left on the clock, teammates check the answers. If sheets are handed in before the time limit expires, the team cannot take it back to continue to work on it.
Most correct answers win.
Each team will be required to check the answers they came up with. The team with the most correct answers wins.