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6 times even number

Rules:

a. Write half of the even multiplier down.

b. Put the same multiplier behind the number written at (a).

Examples:
6 x 2; Half of 2 is 1. Put the 2 behind the 1 to form your product. Hence 6 x 2 = 12

6 x 8; Half of 8 is 4. Put the 8 behind the 4 to get 48. This is your product.

6 x 14; Half of 14 is 7. Put the 14 behind the 7 to get 714. Here we have entered into 3-digits. Add the first 2-digits and maintain the last digit. That is 714 so from here we get 84 as our answer.

Note:
1. When you enter into 3 digits, add the first 2 digits and maintain the last digit.

2. When you enter into four digits, add the 2 middle digits and maintain the last digit. If the sum of the 2 middle
    digits exceeds more than a single digit, write the ones digit down and carry the tens digit to the next column at  
    left.

6 x 22; Half of 22 is 11. Put 22 behind the 11 to get 1122. Here we have entered into 4 -digits and therefore we add the 2 middle digits 1122 to get 132.

6 x 98; Half of 98 is 49. Put the 98 behind the 49 to get 4998. Here the sum of the two middle digit is more than 9. Maintain the last digit. Add the 2 middle digits, maintain the ones digit and carry the tens digit to the next column at the left. Hence 4998 which is 4 18 8. This becomes 588. The tens of 18 is carried to 4. Hence our product is 588.



6 times odd number

Rules:

a. Write half of the odd multiplier down.

b. Reject the decimal point.

c. Add the multiplier to the number at (b) to form your product.

Examples:

6 x 1; Half of 1 is 0.5. Reject the decimal point to get 5. Add the multiplier to the 5.
That is 5 + 1 = 6. This is our product.

6 x 13; Half of 13 is 6.5. Reject the decimal point to get 65. Add the multiplier to the 65.
That is 65 + 13 = 78. This is our product.

6 x 79; Half of 79 is 39.5. Reject the decimal point to get 395. Add the multiplier to the 395.
That is 395 + 79 = 474. This is our answer.6