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Lesson 3 : Lesson 3 Vedic Mathematics
RECAP : RECAP Squaring of number ending with 9
Squaring of number between 25 to 75
Squaring of number between 76 to 125 www.aptacads.com
Session Objective : Session Objective Cubes of numbers close to a base of
Square root of perfect square number www.aptacads.com
Cubes of numbers : Cubes of numbers Where B is and x is (number - )
Example 1 :
B =
By using the formula www.aptacads.com
Slide 6 : Example 2 :
= 136 / 4 32 / 17 28
= 1404928
Slide 7 : Let’s Do it Time : 8 min
= ____ 5. = _____
2. = ____ 6. = _____
= ____ 7. = _____
= ____ 8. = _____
Slide 8 : Answer
5.
6.
7.
8.
Slide 9 : Square root
Let a number be 4225
Separate the last two digits : 42 25
Square root of 42 lies between 6 and 7
Last digit is 5, hence root should end in 5
The answer is 65
Slide 10 : Example : Find out the square root of 15129
Step I : Divide the no. in two parts 151 29
Step II : Square root of 151 lies between 12 and 13
Step III : Last digit is 9, hence root should end in 3 or 7
Step IV : The answer is 123 or 127
Step V : The number is closer to = 14400 and = 16900,
The answer is 123
Slide 11 : Let’s Do it Time : 8 min
= ____ 5. = _____
2. = ____ 6. = _____
= ____ 7. = _____
= ____ 8. = _____
Slide 12 : www.aptacads.com Answer
5.
6.
7.
8.
Slide 13 : Thanks www.aptacads.com