Students guess which team member has the longest arm and longest leg. Students match the lengths of their arms and their legs and graph their results in serial order from shortest to longest.
Students discuss why it is important to use a common starting line when making comparisons.
Students discuss the difference between a guess and a prediction. Students predict which of several objects is the longest and which is the shortest. Students use adding machine tape to match the length of the large objects. Students discuss the results recorded on a class graph. Students discuss various ways of matching distance.