Multiple Choice
Fourteen-year-old Ruth mistakenly believes that the number 0.349 is larger than the number 0.80. Which one of the following explanations of her error is most likely?
A) Ruth has not yet mastered the part-whole principle.
B) Ruth has acquired few if any metacognitive strategies for learning and remembering mathematics.
C) Ruth is misapplying a principle of whole numbers.
D) Consistent with Piaget's theory of cognitive development, most 14-year-olds are not yet capable of proportional reasoning.
Correct Answer:
Verified
Correct Answer:
Verified
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