Question
Easy
A child subtracted two numbers as shown below : \begin{array}{r} 83 \\ -\phantom{0}27 \\ \hline 64 \end{array} Which one of the following statements gives idea about the child's learning of subtraction?
1
The child has misconceptions about place value in the process of subtraction.
2
The child does not know how to subtract.
3
The child knows the process of subtraction of two-digit numbers.
4
It is a mistake and it can be rectified by repeated practice.
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P1
Chapter: Pedagogy of Mathematics
Topic: Approaches & Evaluation in Mathematics Teaching
Correct Answer
Option A
Explanation
Option 1 is the correct answer because the child's error in subtraction indicates a misunderstanding of place value. In the given subtraction problem: \[ \begin{array}{r} 83 \\ -\phantom{0}27 \\ \hline 64 \end{array} \] The child subtracted the digits in each column without considering the place value. Specifically, the child subtracted 7 from 3 in the units column, which is incorrect because 3 is less than 7. This suggests that theтАжRead More
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