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?
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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