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2. Casting out nines - Wikipedia

   en.wikipedia.org/wiki/Casting_out_nines

   To "cast out nines" from a single number, its decimal digits can be simply added together to obtain its so-called digit sum. The digit sum of 2946, for example is 2 + 9 + 4 + 6 = 21. Since 21 = 2946 − 325 × 9, the effect of taking the digit sum of 2946 is to "cast out" 325 lots of 9 from it. If the digit 9 is ignored when summing the digits ...

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. Word problem (mathematics education) - Wikipedia

   en.wikipedia.org/wiki/Word_problem_(mathematics...

   Word problem (mathematics education) In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation. As most word problems involve a narrative of some sort, they are ...

5. Airlines like Qatar and Turkish are upgrading their business ...

   www.aol.com/airlines-qatar-turkish-upgrading...

   Turkish's existing Boeing 777s feature a 2 × 3 × 2 layout, meaning the middle and window seat passengers don't have direct aisle access. Air India is one of the few airlines still sporting the ...

6. Worksheet - Wikipedia

   en.wikipedia.org/wiki/Worksheet

   A worksheet, in the word's original meaning, is a sheet of paper on which one performs work. They come in many forms, most commonly associated with children's school work assignments, tax forms, and accounting or other business environments. Software is increasingly taking over the paper-based worksheet.

7. I have no inner monologue. I was shocked when I found out ...

   www.aol.com/no-inner-monologue-shocked-found...

   Most people have some sort of inner monologue. Research estimates that between 30 to 50% of people have an internal monologue, though the number of those who report no internal monologue was much ...