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CTET Class I to V 28 Jan 2023 Paper

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Question : 57

Total: 150

On the basis of the information given in the statement, which of the following teaching strategy gives first-hand experience to the learner to construct mathematical knowledge ?
Statement: A teacher wants to teach the concept that sum of the angles in a quadrilateral is 360°.
Teaching strategies:
1. Teacher draws a quadrilateral on blackboard and measures its angles using protractor and shows that sum of the angles is equal to 360°.
II. Teacher draws a quadrilateral on a piece of paper and draws its diagonal to divide it in to two triangles. He uses angle sum property of triangles to show that sum of the angles of a quadrilateral is 360°.
III. Teacher asks students to construct various types of quadrilaterals on a piece of paper and measure their interior angles and find out the sum of the angles in each type of quadrilateral.
Choose the correct option:

Only I
Only III
I and II
II and III

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