CTET Solved Paper - CTET September 2015
96. Chhaya simplified the given rational number 
. This error can be considered as
- Option : D
- Explanation : (D) The given error is the error of concept as Chhaya does not know that two negatives cancel out each other.
97. 'Data handling' at upper primary stage focuses on
- Option : C
- Explanation : (C) At the upper primary stages, focus is laid on the organisation and interpretation of collected data.
98. Which one of the following is not a problem solving strategy in Mathematics?
- Option : B
- Explanation : (B) There are numerous approaches to solve math problems, which includes drawing a picture, questions and check, work backwards, systematic listing and logical reasoning. Mathematics is not a subject of rote learning. It is rather a subject of conceptual understanding.
- Option : C
- Explanation : (C) According to Piaget, when the child is at formal operational stage, it is appropriate to introduce ratio and proportion as at this point of development, thinking becomes much more sophisticated and advanced.
- Option : C
- Explanation : (C) Interdisciplinary approach gives practical shape to the knowledge of various subject. So, the given problem is interdisciplinary in nature.
