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2. Multiplication table - Wikipedia

   en.wikipedia.org/wiki/Multiplication_table

   Multiplication table. In mathematics, a multiplication table (sometimes, less formally, a times table) is a mathematical table used to define a multiplication operation for an algebraic system. The decimal multiplication table was traditionally taught as an essential part of elementary arithmetic around the world, as it lays the foundation for ...

3. Casting out nines - Wikipedia

   en.wikipedia.org/wiki/Casting_out_nines

   Casting out nines. Casting out nines is any of three arithmetical procedures: [1] Adding the decimal digits of a positive whole number, while optionally ignoring any 9s or digits which sum to 9 or a multiple of 9. The result of this procedure is a number which is smaller than the original whenever the original has more than one digit, leaves ...

4. Libro de los juegos - Wikipedia

   en.wikipedia.org/wiki/Libro_de_los_juegos

   The game of astronomical tables, from Libro de los juegos. The Libro de los juegos (Spanish: "Book of games"), or Libro de axedrez, dados e tablas ("Book of chess, dice and tables", in Old Spanish), was a Spanish treaty of chess which synthesized the information from other Arabic works on this same topic, dice and tables (backgammon forebears) games, [1] commissioned by Alfonso X of Castile ...

5. Glossary of tables game terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_tables_game_terms

   2.5 Bearing Off at gnu.org. bearing table The table in which men are borne off. block Any point on the board where two or more men rest. An opponent may not land on such a point. blockade A succession of blocked points i.e. points held by at least two men. Also prime. blot A single man on a point. In many tables games, this is a vulnerable situation as the man is liable to be hit by an ...

6. 32 things we learned in NFL Week 1: Top players, teams make ...

   www.aol.com/32-things-learned-nfl-week-020846662...

   9. For Hill, it was a nice moment ... after it allowed just 230 yards, sacked QB Deshaun Watson six times and took the ball away twice. ... (65.8%), their highest mark in a single game since 2020.

7. Trachtenberg system - Wikipedia

   en.wikipedia.org/wiki/Trachtenberg_system

   Trachtenberg system. The Trachtenberg system is a system of rapid mental calculation. The system consists of a number of readily memorized operations that allow one to perform arithmetic computations very quickly. It was developed by the Russian engineer Jakow Trachtenberg in order to keep his mind occupied while being in a Nazi concentration camp.