Multiplying two 2 digit numbers difference of 1
1.Choose a 2-digit number.
2.Select a number either 1 smaller or 1 larger.
3.Square the larger number (multiply it by itself).
4.Subtract the larger number from the product.OR
5.Square the smaller number (multiply it by itself).
6.Add the smaller number to the product. Pick the easier one to square.
Example:
1.If the first number is 76, choose 75 as the second number.
2.75 x 75 = 5625 (square the smaller). Remember how to square a two-digit number ending in 5?
3.5625 + 75 = 5700 (add the smaller).
4.So 76 x 75 = 5700.
See the pattern?
1.If the first number is 32, choose 31 as the second number.
2.32 x 32 = 1024 (square the larger). Remember how to square a two-digit number ending in 2?
3.1024 - 32 = 992 (subtract the larger).
4.So 32 x 31 = 992.
Notes
Vedic Maths - Notes
3. Multiplying two 2 digit numbers difference of 6
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4. Multiplying two 2 digit numbers difference of 4
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5. Square 2 Digit Number with up down Method
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6. Squaring a 2 digit number beginning with 1
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8. Squaring a 2 digit number ending in 2
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11. Squaring a 2 digit number ending in 3
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15. Multiplying two 2 digit numbers difference of 3
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17. Multiplying two 2 digit numbers difference of 8
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18. Multiplying two selected 3 digit numbers middle digit 1
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19. Squaring a 2digit number ending in 8
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20. Multiply any two digit number with 11
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21. Squaring a 2 digit number ending in 4
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22. Multiply any two numbers from 11 to 20 in your head Take 15 x 13
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23. Digital Sums For Multiplication By Eleven
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24. Lets add 1 hr and 35 minutes and 3 hr 55 minutes together
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25. This little math trick will show you whether a number is divisible by four or not
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27. Likewise you can find out square of a number that is one less than the number whose square is known
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29. find square of a number between 50 and 60
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30. Squaring a 2 digit number ending in 5
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33. Simple trick to remember table of 19
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34. Multiplying two selected 3 digit numbers middle digit 0
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36. The Squaring of Numbers Ending in 5
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38. Vertically and Crosswise To find 26 Multiplied by 31 in One Line we need to look at a Pattern
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40. Multiplying two 2 digit numbers difference of 10
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41. Squaring a 2 digit number ending in 1
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42. Convert Fahrenheit to Celsius and vice versa
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43. Squaring a 2 digit number beginning with 9
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45. Multiplying two 2 digit numbers difference of 1
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46. Multiplying two 2 digit numbers difference of 2
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47. Squaring a 2 digit number ending in 7
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49. How to multiply 123 and 321 in one go
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