WELCOME : WELCOME
Slide 2 : 1.Two Digit Multiplication whose base is 10
2.Relation between Alphabets & Numerals
3.Special method for squaring numbers ending in 5
TWO DIGIT MULTIPLICATION WHOSE BASE IS 10 : TWO DIGIT MULTIPLICATION WHOSE BASE IS 10 To Multiply 13 and 12
Steps:
13 x 12
1.Add the underlined numbers. 15
Slide 4 : 2.Multiply the underlined units
13 x 12
156
Place it at the units place in the answer. The Answer is 156
ALPHABETS & NUMERALS : ALPHABETS & NUMERALS A B C D E F G H I
1 2 3 4 5 6 7 8 9
J K L M N O P Q R
10 11 12 13 14 15 16 17 18
ALPHABETS & NUMERALS : ALPHABETS & NUMERALS S T U V W X Y Z
19 20 21 22 23 24 25 26
QUESTIONS : QUESTIONS 1. What will be the number of the alphabet L?
What will be the number of the alphabet after the letter P?
What will be the number of the alphabet that comes between U & W?
RELATION BETWEEN ALPHABETS & NUMERALS : RELATION BETWEEN ALPHABETS & NUMERALS E J O T Y
5 10 15 20 25
SPECIAL METHOD FOR SQUARING NUMBERS ENDING IN 5 : SPECIAL METHOD FOR SQUARING NUMBERS ENDING IN 5 STEPS:
Eg: 55^2
Square the unit digit & place it at the units place
25
Multiply the number at tenth place with tenth place plus one
5X6 = 30
Slide 10 : 3. Place it at the tenths place
Answer: 3025
This method is possible for any number ending
in 5.
Slide 11 : THANK YOU