A student claims that "dividing by two-thirds is the same thing as multiplying by three-halves." This student is deficient in which of the following Standards for
Mathematical Practice?
A)Making Sense of Problems.
B)Attending to Precision.
C)Modeling.
D)Using Appropriate Tools.
E)Constructing a Viable Argument.

Question

A student claims that "dividing by two-thirds is the same thing as multiplying by three-halves." This student is deficient in which of the following Standards for
 Mathematical Practice?
A)Making Sense of Problems.
B)Attending to Precision.
C)Modeling.
D)Using Appropriate Tools.
E)Constructing a Viable Argument.

Quizplus · Accepted Answer

The student's claim is mathematically correct, but the question suggests a misunderstanding of the Standards for Mathematical Practice. The claim does not indicate a deficiency in understanding mathematical concepts but rather a potential issue with precision in language or communication, which is what "Attending to Precision" (Standard B) emphasizes.

A Student Claims That "Dividing by Two-Thirds Is the Same