CTET Class I to V 11 Jan 2022 Paper

Question : 57 of 150

Marks: +1, -0

A teacher asked the class to subtract 5 from 75.70% of the class said: 25. Their work was shown as:
7 5
−5
−−−−−−
2 5
−−−−−−
Which of the following describes the most appropriate remedial action that the teacher should take to clarify this misconception?

Revise the concept of place value and asking students to explain the process they have used to solve the problem
Revise the rule of subtraction of 1-digit numbers from 2-digit numbers that digits should be written from right to left.
Give more practice on simpler problems like subtracting 1-digit numbers.
Use a number line to explain how subtraction is done

Validate

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