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2. Multiplication table - Wikipedia

   en.wikipedia.org/wiki/Multiplication_table

   The oldest known multiplication tables were used by the Babylonians about 4000 years ago. [2] However, they used a base of 60. [2] The oldest known tables using a base of 10 are the Chinese decimal multiplication table on bamboo strips dating to about 305 BC, during China's Warring States period. [2] "Table of Pythagoras" on Napier's bones [3]

3. List of flashcard software - Wikipedia

   en.wikipedia.org/wiki/List_of_flashcard_software

   Spaced repetition software. Classic Mac OS software. Utilities for macOS. Utilities for Windows. Utilities for Linux. Android (operating system) software. BlackBerry software. Palm OS software. Educational software.

4. Leitner system - Wikipedia

   en.wikipedia.org/wiki/Leitner_system

   An alternative method where incorrect answers are only moved back by one box. The Leitner system[ 1 ][ 2 ][ 3 ] is a widely used method of efficiently using flashcards that was proposed by the German science journalist Sebastian Leitner in 1972. [ 4 ][ 5 ] It is a simple implementation of the principle of spaced repetition, where cards are ...

5. Multiplication - Wikipedia

   en.wikipedia.org/wiki/Multiplication

   Multiplication can also be thought of as scaling. Here, 2 is being multiplied by 3 using scaling, giving 6 as a result. Animation for the multiplication 2 × 3 = 6 4 × 5 = 20. The large rectangle is made up of 20 squares, each 1 unit by 1 unit. Area of a cloth 4.5m × 2.5m = 11.25m 2; 4 ⁠ 1 / 2 ⁠ × 2 ⁠ 1 / 2 ⁠ = 11 ⁠ 1 / 4 ⁠

6. Mathletics (educational software) - Wikipedia

   en.wikipedia.org/wiki/Mathletics_(educational...

   Mathletics was established as a Personal Learning Environment (PLE) application in 2005 by 3P Learning, catering for Australian schools. The website is structured to facilitate an engagement with students from K-12 educational level, and offers various visual resources in their interactive and online Web 2.0 appropriation of the Australian Curriculum.

7. 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 ]