Education Technology

Bewildered Babies

Published on 07/01/2010

Activity Overview

Students test the limits of the combinations formula by applying it to a labeling situation. After making charts and using logic to list possible label arrangements, students compare their results with the output of the combinations formula and nCr command.

Key Steps

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    Demonstrate making the chart on page 1.4. Each column represents a baby, and each row represents a possible arrangement of the labels. Two of the labels must be correct: fill in these cells first. Then fill in the remaining cells so that the labels are incorrect. Continue in an organized fashion to list all 6 possibilities.