When a dragon threatens to disrupt the life of the townspeople, a little girl challenges the scaly creature to a math contest involving knowledge of weight.
Presents an introduction to the metric system of measurement, and provides examples of how the metric system works through visits to various places in Canada.
Explanations, definitions, exercises involving length, area, volume, and mass calculations, lists of conversion factors, and tables of equivalents help readers make a transition to the metric system.