Mathematics · Pedagogy of Mathematics
Mr. Sharma was assessing the students' work on exponents. One of the response sheets was as follows: (a) 23 × 25 = 28 (b) 32 × 42 = (12)4 (c) 33 ÷ 35 = 3-2 (d) 720 ÷ 714 = 76 (e) 93 ÷ 186 = (1/2)3 On the basis of this response sheet, Mr. Sharma can make the following observation:
- 1Child has understood the law of exponents for the cases where the base is same and has missed the concept for the case where the base is different✓
- 2Child has understood the laws of exponents but has not practised the questions involving division of two numbers.
- 3Child has understood the laws of exponents but has made clerical errors.
- 4Child has understood the laws of exponents and can apply them well
Correct answer
Child has understood the law of exponents for the cases where the base is same and has missed the concept for the case where the base is different
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