CTET 2 Math and Science 20 Dec 2021 Paper

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Question : 59 of 150
 
Marks: +1, -0
An middle school Mathematics teacher uses following strategies in her geometry classes.
(i) Using a set of wedges of about 15° to measure variety of angles.
(ii) Overlapping cut outs of various angles to find out angles with equal measures.
(iii) Measuring a straight line segment using pencils of different lengths.
The pedagogy used by the teacher focuses on
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