A child produces a small set of counters to match a shown quantity.
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Why is this important?
What a strong sense of number! Notice how she produces an equivalent set without copying the arrangement she was shown–good evidence that she has mental constructs for the quantities of three, four, and five.
The quantity of a small collection can be intuitively perceived without counting. Read More
Quantity is an attribute of a set of objects and we use numbers to name specific quantities. Read More