Ques 1.

Which of the following statements are true? Give reasons for your answers. 
 a) Usually the first experience of subtraction that a child has is in Class I.
 b) Primary school children of any age continue to feel the need to use concrete aids for
learning.
 c) Learning algebra helps the child to develop mathematical thinking.
 d) Children don’t get an opportunity to apply their knowledge of negative numbers till
they reach class 10.
 e) The language of mathematics is made up of the terminology and symbols used in
mathematics. 

Ques 2.

List at least 5 ways in which a farmer uses mathematics while farming, clearly mentioning what are areas of mathematics involved are

Ques 3.

What are the advantages of using algorithms? What are the dangers that we must watch out for while illustrates them in the context of multiplication algorithm for multiplying two decimal fractions.

Ques 4.

In the block you have read that cognitive development is continuous and there are phases within each stage. Give two examples, one from the unit and one new example, to explain what this means. You should justify and explain both your examples in about 150 words each.

Ques 5.

What is the difference between repetition and rote-learning? Illustrate your answer by giving an example from addition of natural numbers

Ques 6.

the difference in the meaning of ‘angles’ in English and in mathematics

Ques 7.

how the language of algebra helps us to express statements briefly and concisely.

Ques 8.

Write down an activity each, different from those given in the blocks, to help children realise that

Ques 9.

− (−n) = n, for any number n?

Ques 10.

division by zero is not meaningless?

Ques 11.

When a child was asked to solve she wrote

Ques 12.

Why do you think she made this error?

Ques 13.

How would you help her to apply the operation correctly?

Ques 14.

Suggest one game in which the children are simultaneously asked to estimate the measure the size of an object and an angle. Justify your choice of the game.

Ques 15.

 “Children learn by experiencing things”. Justify this statement by giving two examples, one pertaining to learning fractions and the other pertaining to learning about shapes

Ques 16.

Do you think that the number-line is a useful tool in teaching the operation of addition and subtraction of fractions? Justify your answer.

Ques 17.

Suggest a teaching method or an activity to bring out the difference between volume and capacity?

Ques 18.

Write down a details plan (See Unit 4) for teaching children of class 6 the concept of variable.

Ques 19.

Write “11” in base 2. Show the steps you used for doing this.

Ques 20.

Explain E-L-P-S sequence of learning. Illustrate it in the context of learning the concept of “Time”.

Ques 21.

Give two distinct that are equivalent toPictorially explain how they are different