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Folding Elapsed Time Ruler
Product Number: TB25832
In Stock (Ships within 1-2 business days)
Help students understand and visualize the very difficult concept of elapsed time. To determine elapsed time, students place a sliding marker at both start and end times, then count the time in between the markers. Made of high-impact plastic with graphics that easily differentiate p.m. and a.m. The 18-7/8 in. x 2 in. ruler folds in half for easy storage. Grade 2 and up. WARNING: Choking Hazard. Small Parts. Not for children under 3 yrs.