When children have many opportunities to make and discuss comparisons, they become more competent with the procedural requirements of measurement. Making direct comparisons in the preschool classroom is critical preparation for later, more sophisticated indirect measurement activities and builds the conviction that to be accurate, measurement must be fair.
© Erikson Institute’s Early Math Collaborative. Reprinted from Big Ideas of Early Mathematics: What Teachers of Young Children Need to Know (2014), Pearson Education.