Number and Operations: Building a system of tens. part 1
Illustrates students solving problems and explores their thinking to discover what they understand and misunderstand about place value in our base ten number system. Examines how this understanding affects their work with computation. Filmed in a variety of classroom settings with children and teachers of different races and ethnic groups and a balance of girls and boys.
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Recognizing and keeping track of groups of 10 while operating
Written numerals and the structure of tens and ones
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