In One Elementary School Curriculum, Mathematical Variables First Appear in the Sixth

question 95

Multiple Choice

In one elementary school curriculum, mathematical variables first appear in the sixth grade. Why are they not introduced in the fourth or fifth grade

• A)Children in the concrete operational stage cannot reason with hypothetical entities such as variables.
• B)According to Piaget, concrete operational children should be able to reason with variables.
• C)Children are incapable of conservation and reversibility until the beginning of the formal operational period.
• D)Dealing with variables requires post-conventional thought, which does not usually appear until adolescence.

---

Definitions:

CS-US Pairings

A term from classical conditioning theory referring to the repeated association of a conditioned stimulus (CS) with an unconditioned stimulus (US).

Magnitude

The size, extent, or dimensions of something, often used to describe the intensity or severity of an entity or event.

Response

A reaction or answer provided after receiving stimuli or information.

Dishabituation

An increase in responsiveness when something novel is presented, following a series of presentations of something familiar.