This can be done as whole class or within a focus group (work better as whole class). The children look at the color of their friends' eyes and make a tally chart. This would be a good way of starting off the topic of tally charts as the results are completed by observing; and there are not a lot of opions.
Making a tally chart on eye color
More from this Contributor
Addition and Subtraction Facts to Five Study Cards
Handout, Lesson Plan | Grades K-2