What is the outcome if students use non-standard measurements to compare lengths?

When students use non-standard measurements to compare lengths, they often encounter variability in their measuring tools, which can lead to inconsistent results. For example, if different students use different items such as paper clips, pencils, or their own hands to measure the same object, each individual's technique and the size of their measuring items create a lack of uniformity. This means their understanding of length may not be reliable or standardized, leading to confusion rather than clarity.

Non-standard measurements can be an effective introduction to the concept of measuring, as they encourage exploration and creativity. However, without a consistent measurement system, students may struggle to grasp the foundational ideas of length comparison. Inconsistent outcome patterns among various measurement attempts ultimately hinder their ability to develop a solid understanding of measurement concepts.