CTET Class I to V 2012 Nov Paper

Question : 41 of 150

Marks: +1, -0

To introduce subtraction of two-digit numbers in Class III, a teacher proceeded in the following steps:
Step I : Rev isio n of two -dig it n um bers w ith understanding of place value system.
Step II : Use of tally marks to show that smaller number can be subtracted from larger number.
Step III : Application of subtraction on numbers under each column of place value.
In this case teacher is developing the lesson

from system concept → algorithm → operation
from system concept → operation → algorithm
from operation → system concept → algorithm
from algorithm → system concept → operation

Validate

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