A measurement system apparatus is provided, which includes an elongated bar and a plurality of discrete measurement unit pieces received along the bar. The elongated bar is metered in accordance with a measurement system. Each measurement unit piece represents an incremental unit of the measurement system. A method is also provided for instructing a student as to a measurement system which generally includes the steps of providing an elongated bar, with the bar being metered along its length to reflect incremental units of a measurement system, providing a plurality of measurement unit pieces corresponding to the metered incremental units of the measurement system, and placing selected measurement unit pieces along the elongated bar.