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Answer to the question – 00:00:00 – Intro

Answer to the question – 00:00:40 – What should be subtracted from the sum of 9599, 5995 and 9995 to obtain 19995?

5495

5594

5954

5945

Answer to the question – 00:01:32 – Which one of the following represents the number ‘Fifty-five lakh fifty-five thousand five hundred fifty-five’?

5555555

550550555

555555

55005500555

Answer to the question – 00:02:09 – Kusum plays with her friends in the evening, when both the hands of the clock are at 6. This time on a 24-hour clock can be read as

16 : 45

20 : 15

18 : 30

6 : 30

Answer to the question – 00:03:23 – Sum of the fractions 3/15 and 7/12 is

10/27

47/60

35/27

43/60

Answer to the question – 00:04:28 – A square has a boundary of 20 cm. From the corners of this square, a small square of side 1 cm is cut off. What will be the change in the boundary of the new shape?

The boundary of new shape will be 2 cm less than that of the square.

The boundary of new shape will be 4 cm less than that of the square.

The boundary of the new shape will be equal to the boundary of square.

The boundary of new shape will be 2 cm more than the boundary of the square.

Answer to the question – 00:06:00 – Five students measured the lengths of their pencils using a scale and the results were as follows :

15.5 cm, 12 cm, 11.8 cm, 9.7 cm, 7 cm

What is the average length of all pencils?

10.6 cm

11.4 cm

10.9 cm

11.2 cm

Answer to the question – 00:06:59 – 18 squares of side 2 cm each can cover a currency note. How many squares are required to cover 3 such notes?

49

64

72

54

Answer to the question – 00:07:23 – Identify the quadrilateral.

I have two lines of symmetry.

All my angles are of 90°

Square

Rhombus

Rectangle

Parallelogram

Answer to the question – 00:08:53 – Shirts in four colours blue, yellow, black and white are available in packets of 5, 10, 12 and 15 respectively. If a shopkeeper wants to buy equal number of shirts of each colour, what is the minimum number of packets of different colours he should buy?

Blue = 4, Yellow = 5, Black = 6, White = 12

Blue = 6, Yellow = 12, Black = 5, White = 4

Blue = 12, Yellow = 6, Black = 5, White = 4

Blue = 5, Yellow = 4, Black = 12, White = 6

Answer to the question – 00:10:50 – Renuka decided to use nails and a rope to make a circle on the ground. She took a thin rope and tied nails on both ends of the rope. Then, she made a circle with the help of her friend. Which of the following statements is correct in the given situation?

The length of rope used is equal to the length of the chord of the circle.

The length of rope used is equal to the length of the diameter of the circle.

The length of rope used is equal to the length of the radius of the circle.

The length of rope used is equal to the length of the circumference of the circle.

Answer to the question – 00:12:21 – How many total (complete) packets of 3/4 kg can be made from 51 2/3 kg amount of sugar?

91

68

56

39

Answer to the question – 00:14:05 – Which of the following statements is correct?

1 is a prime number

1 is a composite number

1 is both a prime and a composite number.

1 is neither prime nor a composite number.

Answer to the question – 00:15:34 – The angles of a triangle are in the ratio 5 : 6 : 7. What is the measure of the smallest angle?

45°

50°

60°

70°

Answer to the question – 00:16:22 – Bimal brought a packet of candies on his birthday. He gave one-third to John, one-fourth to Radha, one-fifth to Sushmita and one-sixth to Miku. He ate remaining 6 candies. How many candies were there in the packet?

100

120

128

142

Answer to the question – 00:20:36 – The sum of seven consecutive even numbers, arranged in an increasing order, is 98. What is the third number in this order?

12

14

16

18

Answer to the question – 00:22:51 – Following three statements have been given in the context of teaching numbers to students of early primary classes :

(a) Encourage students to think about number and quantities of objects when these are meaningful to them

(b) Encourage students to learn counting by recalling number names

(c) Encourage students to make sets with movable objects

Which of the above statement(s) is/are correct?

(a) and (c)

Only (b)

(b) and (c)

(a) and (b)

Answer to the question – 00:24:45 – Which of the following represents the correct sequence of geometrical reasoning levels according to Van Hiele’s theory?

Visualisation – Relationship – Deduction – Analysis – Axiomatic

Relationship – Visualisation – Analysis – Axiomatic – Deduction

Visualisation – Analysis – Relationships – Deduction – Axiomatic

Analysis – Relationship – Visualisation – Deduction – Axiomatic

Answer to the question – 00:26:37 – Which of the following statements is NOT appropriate for mathematical tasks?

When students are challenged with appropriate mathematical tasks, there is a probability that they become confident in their ability to handle difficult problems

If a mathematical task is difficult, it cannot be engaging for students

Mathematical tasks should encourage students to become autonomous learners

Mathematical tasks should provide flexibility for exploring alternative paths to solve the problem

Answer to the question – 00:29:10 – Which skill is expressed in following statement that will help a child to understand the quantification of the objects?

“The child mentally includes one in two, two in three, three in four, four in five so on and so forth”

Equality

Hierarchical inclusion

Reverse conservation

Normalization

Answer to the question – 00:30:35 – Which of the following is the most appropriate strategy to introduce the concept of Fractions in primary mathematics class?

Posing a word problem on fractions

Showing a picture chart representing 1/2 and 1/4

Representing a fraction on a number line

Doing paper folding activities with symmetrical rectangular strips and circular cut-outs

Answer to the question – 00:32:59 – Given below, are two statements marked as Assertion (A) and Reason (R)

(A) : Mathematics curriculum in primary school must progress from concrete to abstract.

(R) : Primary class students start doing mathematics without thinking.

Choose the correct option.

Both (A) and (R) are true and (R) is the correct reason of (A).

Both (A) and (R) are true but (R) is not the correct reason of (A).

(A) is true but (R) is false.

(A) is false but (R) is true.

Answer to the question – 00:34:39 – According to National Curriculum Framework 2005, which is the most appropriate statement about classroom-based assessment in mathematics?

It should not merely be done for evaluating the students, rather should be done for providing feedback and improving teaching-learning process.

It must be done to rank the students in classroom which will help the students to progress

It should not be part of mathematical instructions but should be done separately

Self-assessment is not possible in primary classes

Answer to the question – 00:37:08 – Which of the following statements is/are true about mathematics learning among primary grade learners?

(a) Children come to school with some ideas about mathematics.

(b) Children’s ideas about mathematics before coming to school are irrelevant for school mathematics.

(c) Children develop spatial understanding only while studying geometry

(d) Children in primary classes are able to identify shapes in their surroundings

Choose the correct option.

(a) and (d)

Only (b)

(b) and (c)

(a), (c) and (d)

Answer to the question – 00:39:33 – According to National Curriculum Framework 2005, important feature/features of mathematics curriculum is/are :

(a) It should be ambitious and coherent.

(b) It should be activity – oriented

(c) It should include more number of summative assessments

(d) It should emphasise on procedures and knowledge of formulae over understanding.

Choose the correct option.

(a) and (c)

Only (b)

(a) and (b)

(c) and (d)

Answer to the question – 00:41:16 – The most appropriate example of a student-centred classroom in mathematics is :

Providing multiple questions to every student in the class for practice.

Teacher is asking every student to solve the problem on blackboard.

Teacher is engaging with students in the classroom to build their mathematical understanding from their personal experiences.

Teacher is solving the problem on the blackboard and explaining the algorithm to the students.

Answer to the question – 00:44:14 – Which of the following is/are most appropriate about the mathematics textbook of primary classes?

(a) The problems given in textbook should reduce solutions to knowledge of specific tricks.

(b) The language used in textbook must not be far removed from everyday speech of the students.

(c) The books should not include stories and other narratives rather should include a lot of questions to practice

(a) and (b)

(b) and (c)

Only (b)

Only (c)

Answer to the question – 00:47:23 – Which of the following is NOT related with the process of mathematics teaching and learning?

Abstraction

Investigation

Optimization

Rote Memorization

Answer to the question – 00:49:25 – Which of the following is NOT a step of Polya’s problem-solving model?

Understanding the problem

Memorizing the algorithm

Devise a plan

Look back

Answer to the question – 00:50:26 – While adding three numbers given as below, a student calculates in the following manner:

(73 + 35) + 27 = (35 + 73) + 27 = 35 + (73 + 27) = 35 + 100 = 135

Which of the following properties of addition of numbers the student has used?

Commutative and Associative

Commutative and Distributive

Distributive and Identify

Identify and Associative

Answer to the question – 00:51:58 – A student solves the problem on multiplication in the following way:

35

23

—-

75

What could be the most probable reason for the error made by the student?

The student is unable to recall the multiplication tables upto 10.

The student has extended the algorithm of addition to multiplication

The student does not know the algorithm of addition

The student is unable to do regrouping of numbers while multiplying the numbers.

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If you have any questions, comments or feedback - please post them as YouTube comments under the specific videos and we will clarify or reply as soon as possible.