Maths Crusaders Cl 10

STATISTICS _CLASS 10 LESSON 4 Good Morning  We have covered the following learning outcomes so far: Recall the different ways in which the data can be written Recall the measures of central tendencies Defined mode of the given data Calculate Mode  of the given data Interpret Mode  of the given data Calculate Class Marks  of the given class intervals Calculate Mean  of the given data using "direct method" Calculate Mean  of the given data using "assumed mean method" Let us go through the guidelines for the  blog once again: •              The text in  Red , is to be written in your register •              The text in  blue  is to be viewed by clicking on it •              The text in  green...

lesson 2   polynomials  LETS  RECALL THE TERM    FACTORISATION   WHICH WE HAVE LEARNT IN  CLASS  9 AND RECALL ,HOW TO   FACTORISE   A QUADRATIC POLYNOMIAL .  Methods   1.   using   Idetities   or    2.   splitting the middle term NOTE :-  1.   Its a video of   30 mins   duration with many examples  explaining  how to factorise the  polynomial by splitting the middle term method . 2.Watch 1 or 2 examples ( 7 mins  ). 3.Can practice  all the sums later( if needed.)   4.CLICK THE GIVEN LINK FOR  FACTORISATION OF QUADRATIC POLYNOMIAL LINK   LETS TAKE AN  EXAMPLE  ( TO  FACTORISE)   Example 1 : 4x 2  + 12x + 5 Solution: We have to find two numbers, whose sum is 12 (middle term) and when multiplied (first and last term) i.e. 4 X 5 we get 20...