Pedagogical Issues-Nature of Mathematics (CTET Paper-I Math): Questions 22 - 23 of 31

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Question number: 22

» Pedagogical Issues » Nature of Mathematics

Appeared in Year: 2012

MCQ▾

Question

It is observed that children use various methods of problem-solving strategies like

(a) Counting (b) Direct Modelling (c) Number facts

Sequence from which children pass through while developing problem solving strategies is (November)

Choices

Choice (4) Response

a.

(a)(b)(c)

b.

(c)(a)(b)

c.

(b)(c)(a)

d.

(b)(a)(c)

Question number: 23

» Pedagogical Issues » Nature of Mathematics

MCQ▾

Question

A teacher always allows her students to observe the number pattern and to form estimations on their own in order to enhance their mathematical abilities. She wrote the following problems on board and asked the students to write the answers:

21×7=

2.1×70=

0.21×700=

0.021×7000=

Through the set of questions she wants the students to observe that

Choices

Choice (4) Response

a.

As one factor is divided by 10 and the other is multiplied by 10, the product remains same

b.

If both the divisor and the dividend are increased or decreased by power of 10, the quotient remains the same

c.

If both the divisor and the dividend are decreased by power of 10, the quotient is also decreased by the power of 10

d.

As one divisor is decreased by 10 and the other is increased by power of 10, the product remains same

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