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Visit this site: http://www.sumblox.com/

Author:Dave Skaggs and Kelly Threadgill
Description: "The higher the number, the taller the block." The height of these wooden building blocks for each of the integers 1-10 represents their value. Vertically stacking different numbers to identical heights reveals the equivalence of number families; piling them in a different order demonstrates commutativity.

Levels: Elementary
Languages: English
Resource Types: Manipulatives, Educational Vendors
Math Topics: Basic Operations

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