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Collection of plastic rectangular rods of ten lengths and ten colors. Shortest rod is 1 cm., longest is 10cm. Kit contains 18 trays/sets of rods. One tray is sufficient for two to four students. Use rods to explore whole numbers, fractions, measurement, ratio, area, perimeter, symmetry, congruence, three-dimensional geometry (solid shapes), patterns, and functions. Includes teacher's guide with activities. | |