CTET 2 Math and Science 17 Jan 2022 Paper

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Question : 52 of 150

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Which of the following is an example of teaching arithmetic using heuristics method according to National Curriculum Framework (2005)?

Finding the sum of three or more digit numbers by column method of addition
Rounding off numbers to the nearest multiples of ten in order to add, subtract or multiply etc.
Teaching the use of electronic calculator to students
Making students memorize multiplication tables for multiplying large numbers

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