With the change in season, you may be contemplating spring cleaning your house. This is also a good time of year to spring clean school supplies and replenish them. By this time in the year, pencils, erasers, and lined paper are usually depleted. Also frequently missing by spring are colored pencils, highlighters, and pencil sharpeners. In more extreme cases, calculators are smashed and other math tools have been lost. The students I have worked with are usually shy about bri