Summary
Teachers who stress real world reasoning are using basics to understanding the environment in which we live, as the article "Math gains add up" (Life/Schools, Monday) points out. It's just common sense.
So why don't school systems teach the International System of Units (SI), which is the international standard metric system. It is a coherent system where each unit is linked to other units in a meaning full way.See the full content of this document
Extract
Common-Sense Measurements
For example, one millimeter of rain i...
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