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Hidalgo,8,is Very Good at Addition and Subtraction,but He Has a Hard

question 71

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Hidalgo,8,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 Jean Piaget's stages of development?


Definitions:

Metacarpophalangeal Joint

Joints located between the metacarpal bones of the hand and the proximal phalanges of the fingers, allowing for flexion and extension movements.

Radiocarpal Joint

The joint formed between the radius bone of the forearm and the proximal set of carpal bones, allowing for wrist movement.

Atlantoaxial Joint

A pivotal joint located between the first two cervical vertebrae, the atlas and axis, allowing for the rotation of the head.

Metatarsophalangeal Joint

The joint located between the metatarsal bones of the foot and the proximal bones (phalanges) of the toes, important for foot movement.

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