When Daneesha Encounters the Problem "If Apples Are 35¢ Each

question 21

Multiple Choice

When Daneesha encounters the problem "If apples are 35¢ each, how much will 7 apples cost?" she thinks, "Many items at the same price . . . hmm, this kind of situation usually calls for multiplication." Daneesha's reasoning reflects the use of:

• A) incubation
• B) inert knowledge
• C) a problem schema
• D) means-ends analysis

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Definitions:

Bi-Conditional

A logical relation or statement that is true if and only if both components are either true or false together.

Truth Table

A mathematical table used in logic to determine whether a proposition is true or false under all possible circumstances.

Argument

Refers to the combination of a person’s claim and the reason or reasons a person presents in support of that claim.

Truth Table

A mathematical table used in logic to determine the validity of various logical expressions by listing all possible outcomes.