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  2. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    Mental calculation often involves the use of specific techniques devised for specific types of problems. People with unusually high ability to perform mental calculations are called mental calculators or lightning calculators. Many of these techniques take advantage of or rely on the decimal numeral system.

  3. Trachtenberg system - Wikipedia

    en.wikipedia.org/wiki/Trachtenberg_system

    The list below shows a few other methods of calculating, though they may not be entirely mental. Bharati Krishna Tirtha's book "Vedic Mathematics" Mental abacus – As students become used to manipulating the abacus with their fingers, they are typically asked to do calculation by visualizing abacus in their head. Almost all proficient abacus ...

  4. Saxon math - Wikipedia

    en.wikipedia.org/wiki/Saxon_math

    The Saxon Math 1 to Algebra 1/2 (the equivalent of a Pre-Algebra book) curriculum [3] is designed so that students complete assorted mental math problems, learn a new mathematical concept, practice problems relating to that lesson, and solve a variety of problems. Daily practice problems include relevant questions from the current day's lesson ...

  5. Mental calculator - Wikipedia

    en.wikipedia.org/wiki/Mental_calculator

    A mental calculator or human calculator is a person with a prodigious ability in some area of mental calculation (such as adding, subtracting, multiplying or dividing large numbers). In 2005, a group of researchers led by Michael W. O'Boyle, an American psychologist previously working in Australia and now at Texas Tech University , has used MRI ...

  6. List of mathematics competitions - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematics...

    Mathematics competitions or mathematical olympiads are competitive events where participants complete a math test. These tests may require multiple choice or numeric answers, or a detailed written solution or proof.

  7. Wonderlic test - Wikipedia

    en.wikipedia.org/wiki/Wonderlic_test

    The test was created in 1939 by Eldon F. Wonderlic. It consists of 50 multiple choice questions to be answered in 12 minutes. [1] [2] [3] The score is calculated as the number of correct answers given in the allotted time, and a score of 20 is intended to indicate average intelligence. [2]

  8. Mental abacus - Wikipedia

    en.wikipedia.org/wiki/Mental_abacus

    Mental calculation is said to improve mental capability, increases speed of response, memory power, and concentration power. Many veteran and prolific abacus users in China, Japan, South Korea, and others who use the abacus daily, naturally tend to not use the abacus any more, but perform calculations by visualizing the abacus.

  9. Everyday Mathematics - Wikipedia

    en.wikipedia.org/wiki/Everyday_Mathematics

    Mental Math and Reflexes—These are brief (no longer than 5 min) sessions “…designed to strengthen children's number sense and to review and advance essential basic skills…” (Program Components 2003). Math Boxes—These are pages intended to have students routinely practice problems independently. Home Links—Everyday homework is sent ...

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