Dear Parents,

Today the senior school celebrated National Maths Day and we were the visitors to it.

Maths: We learned about various types of data and how to calculate central tendency for them and how to work with sample. We also started understanding the process of preparing and conducting a survey.

Language: We explored public speaking skills. They also learned about declamations. They were introduced to the art of extempore.

Homework:

**Language:**

Body Language : https://www.youtube.com/watch?v=m7SSj5Z5kTo

Answer the questions : What is the importance of Non verbal communication in public speaking?, What are the different ways of non verbal communication? Pick up any two ways of non verbal communication which you think you need to work on and how will you do it?

Overcome anxiety : https://www.youtube.com/watch?v=5naThX63pF0

Answer the questions : How do you overcome your anxiety while facing an audience? How will you use techniques mentioned in the video to overcome your anxiety?

**Maths:** Students to solve the below sums.

**1.** Find the mean of the following data.

(a) 9, 7, 11, 13, 2, 4, 5, 5

(b) 16, 18, 19, 21, 23, 23, 27, 29, 29, 35

**2.** Find the mean of first ten whole numbers.

**3.** Find the mean of first 5 prime numbers.

4. Find the mode of the following data.

(a) 12, 8, 4, 8, 1, 8, 9, 11, 9, 10, 12, 8

(b) 15, 22, 17, 19, 22, 17, 29, 24, 17, 15

(c) 0, 3, 2, 1, 3, 5, 4, 3, 42, 1, 2, 0

(d) 1, 7, 2, 4, 5, 9, 8, 3

5. The runs scored in a cricket match by 11 players is as follows:

7, 16, 121, 51, 101, 81, 1, 16, 9, 11, 16

Find the mean, mode, median of this data.

6. The weights in kg of 10 students are given below:

39, 43, 36, 38, 46, 51, 33, 44, 44, 43

Find the mode of this data. Is there more than 1 mode? If yes, why?

7. Go through the below presentation and video and take notes.

https://docs.google.com/presentation/d/1O8eANgwNlcr_4TmOiMDAGP_7a5SjD7lOj5JCzPvJlnw/edit#slide=id.g19bd31950c_0_39- Presentation on sampling https://www.youtube.com/watch?v=IOBYsdgGhVw- Video on sample

8.Ã‚Â Write 5 open ended and 5 close ended questions. Explain why you think they are open/close ended

Thanks and regards

Himani Mehta