Number, Measurement and Space, module establishes equivalence of sets by a one-to-one exchange of objects. Eg Upsetting equivalance (destroying conservation of numbers) by adding one object to a set, or taking one away, helps introduce vocabulary for comparing quantity
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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