As we continue to become fluent and flexible with large numbers, students were challenged to consider what the shape and size of numbers would be using base 10 blocks. Students know the small cube as having a value of 1, the rod 10, the flat 100 and the large cube 1000. What size and shape comes next? Above graphics found at: blog.nathanielraley.com/2014/06/base-ten-blocks-to-billion.html
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