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Subitizing forms the foundation for place value....

Subitizing is a much more complex skill than just recognizing a set of 2 or 3 or 5. The ability to subitize forms the foundation for thinking in sets or groups and understanding that the number 1 can mean 1 group or set of. In these terms every whole number is actually a 1 group of. So 6 can be represented as 1 (6) or 1 set of group of 6.

Come to think of it we do not need to stop at whole numbers. The number 1/3 can also be thought of as 1 (1/3) One set or unit or group that is only one third of the whole.

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