Framed Student MathRack 20 (SMR20) rekenrek

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Designed after the original rekenrek, the Student MathRack 20 (rekenrek) can be used for subitizing, the built-in structure supports the understanding of all of the relationships ( spatial, one / two more or less, benchmarks of 5 and 10, and part-part whole ), addition strategies, and problem solving situations. Please allow 4-5 weeks for delivery. Length (inches): 11.0 x Width (inches): 3.5" x Height (inches): 0.5" Show more