Math Ch-2 Square and Square roots

04/08/20
Topic Taught: 1.define a perfect square or a square number.
2. identify perfect square number.

Refernce Links:
1. Watch Video given in Link 1 based on Introduction to Square numbers.
2. Watch Video given in Link 2 based on Introduction to Perfect Square numbers.

Classwork: 
Screening Test
1. Using Pythagoras theorem,find the hypotenuse if the base is 3 cm and the perpendicular is 4cm.
2. Square of (-8)
3. Square of 4x.
Explaination of how to identify a perfect square and method to find the perfect square.

Homework: Complete Exercise 2.1 in your Math NB.

05/08/20

Topic Taught: Properties of Square numbers.
Finding square of a number.

1.Watch Video given in Link 4 based on Finding square of numbers.

Reference PPT slides:











Homework: Complete Ex 2.2 Q1,2,3 and Ex 2.3 Q1

06/08/20

Topic Taught: Pythagorean Triplets

1.Watch Video given in Link 3 based on Pythagorean triplets. (Watch video after 13:55 duration).


Classwork:  Explanation and discussion on how to find the remaining two elements of Pythagorean triplets when any one element is given.



Exercise 2.3Format of Writing the answers for above questions.


Homework: Complete Exercise 2.3 Q2,3,4

07/08/20

Topic Taught: Finding Square root using Prime Factorization.

1.Watch the Video given in Link 5  based on introduction to square roots.
2.  Watch the Video given in Link 6 based on to finding square root of a number by prime factorization method.

3. Explanation Link

Classwork: Explanation and discussion of the topic.

Format for writing the answers


Homework: Complete Exercise 2.4 Q 2,3,4,6,7,8 in your Math Notebook . Submission of Ex 2.4 will be on Tuesday(11/08/20).

Exercise 2.4

08/08/20

Topic Taught: Finding square roots by long division method.

1. Watch the Video given in Link 7  based on finding square roots by long division method.

Classwork: Explanation of Exercise 2.4 Q5  (format for which is attached below.)

Long division Method explanation and finding square root using the method.
Steps For Long Division Method:


Few More Examples








Homework : Ex 2.4 Q5 and Ex 2.5 Q1

10/08/20
 
Topic Taught: 
1. Square root of a decimals.
2. Square root of rational number.

Reference Links: 

Watch the Video given in Link 9 based on finding square root of a decimal number.
Watch the Video given in Link 10 based on Square root of rational number.

Classwork:










Homework: Exercise 2.5 Q 5, 11 complete in Math Notebook.

11/08/20

Topic Taught: Adding and Subtracting a number to make given number a perfect Square.

1. Watch the Videos given in Link 11 and Link 12 based on application of long division method.

Classwork: Exercise 2.5
Q3- b,d
Q4-a,d  and Q7







Homework: Exercise 2.5 Q2(in TB) Q3(a,c),4(b,c) and 6

Please note :Complete worksheet and workbook exercise for 
Ch-2.
Date of submission for workbook and worksheet will be on 20/08/20.

13/08/20

Topic Taught: Doubt Solving and Revision of Square and squareroots.

Classwork: Ex 2.5 Q8,9,10




Popular posts from this blog

English VIII A and B Chapter 1 Where love is, God is

  Chapter 1. Where Love is, God is Date: 5.04.21 Topics taught: Reading of the chapter and explanation. Homework: Read the chapter. Date: 6.04.21 Topics taught: Explanation through audio clip. Date: 7.04.21 New words   1.infancy 2.monastery 3.distinctly 4.pawn 5.tattered 6.hoist Discussion of textual exercise Q.1 and Q.2 Date: 12.04.21 Topics taught: Textual exercise and workbook discussion. Answer key of textual exercise. Textual Answers : Q 1 Read the extracts given below and answer the questions that follow. a)       i. Martin is referred to as ‘he’ in the above extract.   ii Martin looked at the street more than he worked because the previous night he had heard the voice of Jesus saying, “Look out into the street tomorrow, for I shall come.” iii Stepánitch lean...
Read more

ENGLISH The Last Leaf

  The Last Leaf Date- 13/8/21 Topics Covered- Reading and explanation of the chapter. New words 1.congenial 2.swaggered 3.curative 4.satyr 5.derision 6.twilight Read the extracts given below and answer the questions that follow. “She has one chance in-let us say, ten,” he said, as he shook down the mercury in his clinical thermometer, “and that chance is for her to want to live. Your little lady has made up her mind that she’s not going to get well. Has she anything on her mind?” Who is the ‘little lady’ mentioned in the text? The ‘little lady’ is Johnsy who is suffering from pneumonia. Why does the ‘little lady’ have just one in a ten chances of recovery? The little lady just has one in a ten chances of recovery because she has lost all her will to live and thus even the medicines fail to have any ...
Read more

English- A Fishy Story

 A FISHY STORY Date- 2/9/21 Topics taught- Reading and explanation of the chapter. New words 1.minnows 2.gumption 3.bleakly 4.marvelled 5.clutched 6.shattered Date- 3/9/21 Topics taught- Discussion of textual exercise Textual Answers : 1. Read the extracts given below and answer the questions that follow. a) i.     According to the people, all that is required to make a good fisherman is the ability to tell lies easily. ii.     The twenty-five percent formula wouldn’t work well for the young man because the greatest number of fish he ever caught in one day was three, and one can’t add twenty-five per cent to three in fish. iii.       When the twenty-five percent formula didn’t work, the young man would just double the quantity. iv.     falsify b) ...
Read more