Multiple Choice
Evelyn is playing with her three-year-old daughter,Joyce.She puts two rows of five pennies on the table in front of each of them and asks if they have the same number of pennies.Joyce agrees that they do.Then she spreads out the pennies in her own row,and asks if they still have the same number of pennies.Joyce frowns and says no,Evelyn now has more pennies.This shows that Joyce has not yet mastered
A) reversibility.
B) classification.
C) representation.
D) causality.
Correct Answer:

Verified
Correct Answer:
Verified
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