30 Students often make a mistake in comparing the decimal numbers. For example 0.50 is larger than 0.5. The most probable reason for this error is 1. misconception regarding the significance of zero in ordering decimal 2. lack of practice of these types of questions in the class 3. lack of concrete experience of representation of decimal number on number line 4. careless attempt by the students
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
27 The concept of areas of plane figures can be introduced to the students of class V by 1. measuring the area of any figure with the help of different objects like palm, leaf, pencil etc 2. calculating the area of a rectangle by finding length and breadth of a rectangle and using the formula for area of a rectangle 3. stating the formula for area of rectangle and square 4. calculating the area of figures with the help of counting unit squares
26 Which teaching comparison of fractions in which the numerators are same e.g., 3/5 and 3/7 Rohit's response was "Since the numerators are same and since 7 is bigger than 3/5." This suggests that 1. rohit does not know the concept of equivalent fractions 2. rohit has not practised well 3. rohit does not understand the magnitude of fractions 4. rohit does not know the concept of numerator and denominator
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
24 The most use of teaching aids is in ( Error Analysis Mathematics CTET MCQ ) 1. arithmetic 2. algebra 3. science 4. trignometry
23 Meaning of the word 'Heurisco' is ( Error Analysis Mathematics CTET MCQ ) 1. to know 2. to think 3. to learn 4. to discover