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  2. Casting out nines - Wikipedia

    en.wikipedia.org/wiki/Casting_out_nines

    Since we are adding 1 to the tens digit and subtracting one from the units digit, the sum of the digits should remain the same. For example, 9 + 2 = 11 with 1 + 1 = 2. When adding 9 to itself, we would thus expect the sum of the digits to be 9 as follows: 9 + 9 = 18, (1 + 8 = 9) and 9 + 9 + 9 = 27, (2 + 7 = 9).

  3. Multiplication table - Wikipedia

    en.wikipedia.org/wiki/Multiplication_table

    Cycles of the unit digit of multiples of integers ending in 1, 3, 7 and 9 (upper row), and 2, 4, 6 and 8 (lower row) on a telephone keypad. Figure 1 is used for multiples of 1, 3, 7, and 9. Figure 2 is used for the multiples of 2, 4, 6, and 8. These patterns can be used to memorize the multiples of any number from 0 to 10, except 5.

  4. Grid method multiplication - Wikipedia

    en.wikipedia.org/wiki/Grid_method_multiplication

    The grid method (also known as the box method) of multiplication is an introductory approach to multi-digit multiplication calculations that involve numbers larger than ten. Because it is often taught in mathematics education at the level of primary school or elementary school, this algorithm is sometimes called the grammar school method. [1]

  5. US skiing legend Lindsey Vonn to make surprise return after ...

    www.aol.com/us-skiing-legend-lindsey-vonn...

    Lindsey Vonn, one of the greatest skiers of all-time, is set to end her five-year retirement and return to the sport.. After 18 years on the World Cup circuit, three Winter Olympic medals, eight ...

  6. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    Since 9 = 10 − 1, to multiply a number by nine, multiply it by 10 and then subtract the original number from the result. For example, 9 × 27 = 270 − 27 = 243. This method can be adjusted to multiply by eight instead of nine, by doubling the number being subtracted; 8 × 27 = 270 − (2×27) = 270 − 54 = 216.

  7. '8,000 Steps Per Day And The CICO Method Helped Me Lose 90 ...

    www.aol.com/8-000-steps-per-day-164300560.html

    On May 9, 2020, I started documenting my journey on social media as a form of accountability and perhaps to help people in the same boat as me. When it came to choosing an eating plan that would ...

  8. Helen H. Hobbs, M.D. - Pay Pals - The Huffington Post

    data.huffingtonpost.com/paypals/helen-h-hobbs-m-d

    From December 2011 to December 2012, if you bought shares in companies when Helen H. Hobbs, M.D. joined the board, and sold them when she left, you would have a 23.0 percent return on your investment, compared to a 15.3 percent return from the S&P 500.

  9. Elon Musk bet big on Trump — and won. Will it pay off for ...

    www.aol.com/finance/elon-musk-bet-big-trump...

    Tesla CEO Elon Musk’s embrace of President-elect Donald Trump is paying off for Tesla shareholders, with the stock jumping nearly 15% on Wednesday.But the question investors are asking is what ...

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