CTET Class I to V 28 Dec 2021 Paper

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Question : 59 of 150

Marks: +1, -0

To solve 76 × 32, a student uses the following methods :
76 × 32
= (70 + 6) × (30 + 2)
= (70 × 30) + (6 × 30) + (70 × 2) + (6 × 2)
= 2100 + 180 + 140 + 12
= 2432
For the above method which of the following statements is true?

Informal techniques of problem solving should be discouraged among learners
Student does not have conceptual knowledge of multiplication
The method used by student reflects her understanding of the properties of multiplication.
Student will get zero marks in written test for using this method.

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