Explain the five Van Hiele levels of developmenL of spatial understanding in the context of measuring shape and size of 2D figures. (lO)
 

Give three errors children commonly make regarding decimal numbers. Further, for any one of these errors, give a series of three activities to help a group of children correct the misconception underlying the error. Also explain how each activity would meet the objective, and how the three activities are connected as a series.

Is every natural number a fraction? Is every decimal number a fraction? Give
reasons for your answers.

Give two distinct word problems (pertaining to the town you stay in) represented by
the expression  Also find the solution to them.

Afler an earthquake, 70 people of the affected commun iIi’ are required to be housed in several tents. Each tent is conical in shape, and must be large enough to allow a family of four to live in it and sleep in it. The radius of the floor space ii takes up should be 3 metres, and the tallest human in each family would be around 2 metres. How much material is required to make up the lent?
Solve the problem above, giving the stages involved while doing so.

How would you generalise to any base the concept of place value base 10 and the process of wriing any number using this? I-low are you using algebra to do this’?
 

Give two activities, each requiring different ability levels of the learners, to help them understand the concept of’negative number’. Justify your choice of activities, also explaining how the second activity requires a higher ability level of the learner than the first activity.

Give an example each of a situationJword problem related to rivers, for the categories

below:

j) Cartesian product

ii) Augmentation

iii) Complementary addition

iv) Ratio

Which of these four problems would be the earliest for a child of Class 4 to solve,
and why?
 

Explain three different ways in which children often regroup the two numbers while undertaking operations on them, using the example of 57 and 38, while solving 57-38.
 

Explain how each of the pre-number concepts support the actual process of counting. Your explanation should include an example.

National Informatics Centre

Micro-level indicators of positive mental health

Acute and chronic stress

Dynamics of anger

Automatic thoughts

. Psychotherapy

Community Based Participatory Research and the Epidemiological method.

Myths and misconceptions about mental illnesses

Domestic Violence Act

Voluntary and involuntary admissions