March 2009, Vol. 40, Issue 2
Giving Change When Payment Is Made With a Dime: The Difficulty of Tens and Ones
Cynthia Chandler; Constance Kamii
The purpose of this study was to investigate children’s construction of 10s out of the 1s they have already constructed. It was found that, for many younger children, a dime was something different from 10 pennies even though they could say with confidence that a dime was worth 10 cents. As the children grew older, their performance improved.
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