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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. Duck and cover - Wikipedia

   en.wikipedia.org/wiki/Duck_and_cover

   Duck and cover drill in a sсhool in Brooklyn in 1962. " Duck and cover " is a method of personal protection against the effects of a nuclear explosion. Ducking and covering is useful in offering a degree of protection to personnel located outside the radius of the nuclear fireball but still within sufficient range of the nuclear explosion that ...

4. Multiplication algorithm - Wikipedia

   en.wikipedia.org/wiki/Multiplication_algorithm

   A multiplication algorithm is an algorithm (or method) to multiply two numbers. Depending on the size of the numbers, different algorithms are more efficient than others. Numerous algorithms are known and there has been much research into the topic. The oldest and simplest method, known since antiquity as long multiplication or grade-school ...

5. Boxing training - Wikipedia

   en.wikipedia.org/wiki/Boxing_training

   The Slam Man: Used to practice combinations of punches on a human shaped bag; Medicine Ball: Used for plyometric training - often used when training in pairs (quick throwing/passing of the ball) or with a trainer. Mirror: Used by boxers to do shadow boxing. Boxing ring: When boxers are training, used to stage practice or competition bouts.

6. Regulations for the Order and Discipline of the Troops of the ...

   en.wikipedia.org/wiki/Regulations_for_the_Order...

   e. Regulations for the Order and Discipline of the Troops of the United States was a drill manual written by Inspector General Friedrich Wilhelm von Steuben during the American Revolutionary War. Commissioned to train troops at Valley Forge, Steuben first formed a model drill company of 100 men who were in turn to train further companies until ...

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.