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Showing posts with the label multiplication with 9s.

Lesson 3 mathematics Tricks And Fun(English,Hindi,Malayalam languages)

        Lesson 3-  Mathematics Tricks and Fun                                    (English,  Hindi, Malayalam)  Hello friends, I am Dr Prema B Sejekan. Welcome to the third lesson of mathematics tricks and fun.I hope you have attended my earlier classes and know about the special code, I've taught. In the last, Republic Day special video, I have explained in detail and it is a must watch video. In all these , we are multiplying two digits with one 9 so there is one extra digit that is in 22 x 9 Here one 2 is extra. In 11 x 9 , one 1 is extra. So, that extra digit’s place s taken by 9 and it is occupying the middle. 11×9 answer is 099. 22 x 9 answer is 198, 44 x 9 answer is 396.   33 x 9 answer is 297 . In all these nine is in the middle and the product of the multiplication of the digit with 9 is written on either side of the middle nine.   222 X 99...