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2. Elementary mathematics - Wikipedia

   en.wikipedia.org/wiki/Elementary_mathematics

   Elementary mathematics, also known as primary or secondary school mathematics, is the study of mathematics topics that are commonly taught at the primary or secondary school levels around the world. It includes a wide range of mathematical concepts and skills, including number sense , algebra , geometry , measurement , and data analysis .

3. Duolingo - Wikipedia

   en.wikipedia.org/wiki/Duolingo

   Duolingo Math is an app course for learning elementary mathematics. It was announced on YouTube on August 27, 2022, at the Duocon 2022 event. [70] Duolingo Math covers math topics through an interactive and gradual approach. It starts with basic arithmetic—addition, subtraction, multiplication, and division. The app also teaches fractions and ...

4. List of Martin Gardner Mathematical Games columns - Wikipedia

   en.wikipedia.org/wiki/List_of_Martin_Gardner...

   A selection of elementary word and number problems 1965 Dec: Magic stars, graphs and polyhedrons 1966 Jan: Dr. Matrix returns, now in the guise of a neo-Freudian psychonumeranalyst 1966 Feb: Recreational numismatics, or a purse of coin puzzles 1966 Mar: The hierarchy of infinities and the problems it spawns 1966 Apr

5. Fraction - Wikipedia

   en.wikipedia.org/wiki/Fraction

   A cake with one quarter (one fourth) removed. The remaining three fourths are shown by dotted lines and labeled by the fraction 1 ⁄ 4. A fraction (from Latin: fractus, "broken") represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size ...

6. Category:Elementary mathematics - Wikipedia

   en.wikipedia.org/wiki/Category:Elementary...

   Elementary mathematics encompasses topics from algebra, analysis, arithmetic, calculus, geometry and number theory that are frequently taught at the primary or secondary school level. Subcategories This category has the following 5 subcategories, out of 5 total.

7. Division (mathematics) - Wikipedia

   en.wikipedia.org/wiki/Division_(mathematics)

   When the remainder is kept as a fraction, it leads to a rational number. The set of all rational numbers is created by extending the integers with all possible results of divisions of integers. Unlike multiplication and addition, division is not commutative, meaning that a / b is not always equal to b / a. [6]