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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. 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.

5. 5 Editor-Approved Books a Middle Schooler Will Love

   www.aol.com/5-editor-approved-books-middle...

   Zora & Me, by Victoria Bond and R.R. Simon. This beautifully written novel is narrated by Zora Neale Hurston’s fictionalized childhood best friend, Carrie, who just like every other child in her ...

6. Worksheet - Wikipedia

   en.wikipedia.org/wiki/Worksheet

   In accounting, a worksheet is, or was, a sheet of ruled paper with rows and columns on which an accountant could record information or perform calculations. These are often called columnar pads, and typically green-tinted. In computing, spreadsheet software presents, on a computer monitor, a user interface that resembles one or more paper ...

7. 15 Spicy Fast-Food Menu Items That’ll Light Your Mouth on Fire

   www.aol.com/15-spicy-fast-food-menu-130000553.html

   Wendy’s: Ghost Pepper Ranch Chicken Sandwich. Wendy’s is known for its chicken sandwiches, but the chain has never had a spicy version like this one before.This sandwich comes with a spicy ...