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CTET 2 Math and Science 23 Dec 2021 Paper

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Question : 51

Total: 151

A teacher introduced addition of 56 and 22, in following way:
56 + 22 = (50 + 6) + (20 + 2), then she adds all tens and all ones. Which strategy she adopt?

Comparison of numbers
Complementary addition
Division of numbers
Decomposition of numbers

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