Hidalgo, Eight, Is Very Good at Addition and Subtraction, but He

question 173

Multiple Choice

Hidalgo, eight, is very good at addition and subtraction, but he has a hard time understanding the complex algebraic problems that his 14-year-old sister does. Hidalgo is currently in which of Piaget's stages of development?

• A) Preoperational
• B) Concrete operational
• C) Formal operational
• D) Conceptual operational

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Definitions:

Circum-

A prefix meaning around or about, often used in medical and geographical terms.

Around

Located or positioned on every side, or in a circular direction or position surrounding an object.

Semi-

A prefix meaning half or partially, often used to indicate that something is incomplete or limited.

Semilunar

Shaped like a half-moon or crescent; often used to describe certain valves or cartilages in the human body that have a crescent shape.