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Unscramble the Numbers Peer-Led Team Learning Activity

Unscramble the Numbers Peer-Led Team Learning Activity. Lucia B. Chacon, James E. Becvar, Wen-Yee Lee and Juan Noveron, Department of Chemistry, University of Texas at El Paso, El Paso TX. .

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Unscramble the Numbers Peer-Led Team Learning Activity

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  1. Unscramble the Numbers Peer-Led Team Learning Activity Lucia B. Chacon, James E. Becvar, Wen-Yee Lee and Juan Noveron, Department of Chemistry, University of Texas at El Paso, El Paso TX. The ‘free-style’ nature of the chemistry Peer-Led Team Learning (PLTL) Program at the University of Texas at El Paso (UTEP) motivates Peer Leaders to create new team-based learning activities that make chemistry more appealing, involve team work, and facilitate student understanding. The Chemistry Peer-Leader Program at UTEP received the 2006 STAR Award from the Texas Higher Education Coordinating Board for dramatically improving student success and retention in science and engineering disciplines. Figure 4 Illustrates the effectiveness of Unscramble the Numbers. Unscramble the Numbers is a Peer-Led Team Learning activity that encourages student teams to compete to solve word problems with numerical answers, such as finding mass, number of atoms, molarity and moles of elements or compounds. The Peer Leader must have the numerical answers to several problems before Workshop. In Workshop, a common set of problems is assigned to all teams. While the teams are busy solving the problems, the Peer Leader writes the answers in columns on the board, but the numerals for each answer are scrambled along with the order of the sequence of problems (See Figure 1). The team that first solves a problem and identifies one of the numeral sets on the board must claim that answer by writing the answer in correct numerical order (with appropriate units) and by writing the team name below it (See Figure 2). The winning team is the one solving the most problems correctly. Figure 1 Shows six columns (one problem each) with its respective unscrambled answer. The Peer Leader must not specify if the answer has a decimal point, or if it is written in scientific notation. Figure 2 Illustrates the correct answers in the correct order. Team #3 identified 3 problems. Therefore, team # 3 won. Figure 3 Demonstrates the average quiz grades of two workshops before and after playing Unscramble the Numbers. Figure 5 Shows the number of students who find this activity enjoyable.

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