Equilateral Prisms 3pc set, 1in, 2in, and 4in lengths, Material: Acrylic, Each prism is individually wrapped to protect it Will create a rainbow with any standard light source (phone will work) -- use a dark piece of paper with a 1-2mm slit, Size: 25mm face size
Communicating Mathematics Intermediate Guide with Color Tiles, Emphasize problem solving and the language of mathematics while exploring important math concepts. Each lesson includes complete teaching suggestions, and reproducible student worksheets
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