Subtract Using Columns. -Subtract

question 34

Multiple Choice

Subtract using columns.
-Subtract

---

Definitions:

Hierarchical Classification

A method of classifying entities in which items are arranged in a graded order from broad to specific categories.

Conservation of Number

A developmental concept in children's cognitive psychology, noting their understanding that the quantity of a substance remains the same despite changes in its shape or form.

Cognitive Development

Cognitive development is the process through which individuals acquire and evolve in their problem-solving skills, memory, learning capacity, and understanding of the world.

Zone of Proximal Development

A concept in educational psychology referring to the difference between what a learner can do without help and what they can achieve with guidance or encouragement.