CTET PAPER I 2018 · PYQ · Area / Misconceptions · medium
On asking a child 'What is area?', he/she answered length × breadth. What can you say about the child's understanding about the concept of area?
Answer
The correct answer is B: The child used the area of rectangle as general idea of area of any closed shape.. The child has overgeneralized the formula for the area of a rectangle (length × breadth) as the definition of area itself. Area is actually the measure of the surface enclosed by a closed shape,…
A.The child has no idea about the concept of area.
B.The child used the area of rectangle as general idea of area of any closed shape.✓ Correct
C.The child is right in saying area is length × breadth.
D.The child is confused between the concept of area and perimeter.
Explanation
The child has overgeneralized the formula for the area of a rectangle (length × breadth) as the definition of area itself. Area is actually the measure of the surface enclosed by a closed shape, and different shapes have different area formulas. This shows the child knows a specific formula but lacks the underlying conceptual understanding that area refers to surface measurement.
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