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32 The most appropriate tool to expose the students of class II to plane figures, its vertices and edges is 1. blackboard surface 2. geo board 3. nets of 3-D solids 4. cubes

29 Use of abacus in class II does not help the students to ( Error Analysis Mathematics CTET MCQ ) 1. understand the significance of place value 2. read the numbers without error 3. write the numeral equivalent of numbers given in words 4. attain perfection in counting

28 To teach various units of length to the students of class III, a teacher shall take the following materials to the class 1. centimetre ruler and measuring tape 2. rulers of different lengths and different units, measuring rod, measuring strip used by architects 3. measuring tape with centimetre on one side and metre on the other side 4. relation chart of various units

25 "Problem solving" as a strategy of doing Mathematics involves ( Error Analysis Mathematics CTET MCQ ) 1. activity based approach 2. estimation 3. extensive practice 4. using clues to arrive at a solution