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Reviewed by Philip Van Heusen for Readers' Favorite
Rod Rammage has developed a cute little story to help teach children the basics of the metric measuring system. Rod’s book, Caveman Teach Children Metric System of Systems International (SI) Units, is much more than just an educational book. It is also a coloring book, making learning even more fun. In elementary school back in the early 1960s, we were told that America would convert to the metric system (obviously, that did not happen). The metric system was new to us and confusing. For example, “milli” is from the Latin meaning 1,000, while “kilo” is from the Greek meaning 1,000. Since both roots have to do with 1,000, which is longer; a kilometer or a millimeter? Rod does a wonderful job in his creative manner of explaining what is longer. Children will love this book and will be greatly enriched by reading it. Children will not only learn from reading and coloring this book, but they will also have fun while they learn.
The metric system is very logical and is based on the decimal system. Measurements go up by a factor of 10 and go down by a factor of 10. For example, this makes conversion from meter to decameter easy. Rod Rammage uses the story of an ancient village where building without a standard measure produced an unusable building. As Caveman thought about solving the problem, he saw many animals and noticed a relationship between them. As he thought, he developed a measuring system we now call the metric system. In Caveman Teach Children Metric System of Systems International (SI) Units, Rod shows children how a meter relates to a millimeter, centimeter, kilometer, etc. He also puts the system into drawings to help children remember. After reading this book, who could forget the little ant named Centi or the dinosaur named Hecto? Armed with pictures the child has colored, they will remember if a kilo or centi is longer.