hand2mind Math Cards - Five Ten Double Ten-Frames Set of 55

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SKU:
UTH97728
UPC:
848850110957
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Fundamental building blocks for developing number sense. Help students learn subtilizing and understanding building groups of 5, 10, and 20. Students learn to recognize the number of objects in a Group without having to count the objects. Cards measure 8 1/2” x 4 1/4”.