The Master Ruler Metric

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The unique design of this ruler helps introduce and reinforce fraction concepts, while also teaching basic measurement. Each clear plastic layer is marked with color-coordinated lines and its own tab, which enables students to see and understand the lines on any ruler. The metric ruler features three clear plastic layers marked with mm, cm, and dm. The ruler measures 1-30cm and features a list of popular metric measurement equivalencies on the reverse of the opaque white layer. Metric model. Single ruler.