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Which among the following is/are correct? a: Development of mental computation skill among primary school children needs to be encouraged. b: The only way to improve the mental computation skill is through drill and practice. c: Mental computation skill encourages the use of formal and informal strategies to solve a problem.

Which among the following is/are correct? a: Development of mental computation skill among primary school children needs to be encouraged. b: The only way to improve the mental computation skill is through drill and practice. c: Mental computation skill encourages the use of formal and informal strategies to solve a problem. Correct Answer a and c

Mental computation is the method of "solving a problem in one's head" and obtaining accurate or approximate results without the aid of a calculator, paper or any other means.

Key Points

  •  Mental computation in primary classrooms
    • ​Mental computation skill has many applications in almost every calculation children will attempt throughout their school life and beyond. It should be encouraged in the classroom to develop higher-order thinking, reasoning, and making sense of number and number operations in children.
    • Mental computational skills can be developed by using many methods and activities like card games.
    • It encourages the use of formal and informal strategies to solve a problem. Informal strategies of calculation should be introduced in the Class to let children know about the calculation skills used by shopkeepers and street vendors. 

Hence, it is concluded that the correct statements are (a) and (c).

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