02 Vikas teaches mathematics to a class of 56 students. He believes that conducting a test is effective if the feedback is given immediately. He conducted a short class test of 10 marks. What is the best possible way of giving the feedback effectively? 1. he can have a whole class discussion on ways in which they have got their solutions and which is the effective strategy to arrive at the correct answer 2. pick out any copy at random and discuss the method followed in the copy on the board 3. he can let the students check each other's answer 4. he can explain the solution of each problem on the board and ask the students to check their answer on their own

04 Shailja can express a number in different way, e.g. 4 = 2 + 2 or 4 = 1 + 3 etc. In which developmental phase of numbers is she? 1. quantifying phase 2. partitioning phase 3. factoring phase 4. operating phase

06 Piaget believed that learning results from social instruction and a Mathematics teacher believing in Piaget's theory shall use 1. lots of manipulatives and lab activities in the class 2. group project and group discussion 3. differentiated instruction 4. chalk and talk method