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  2. Elementary mathematics - Wikipedia

    en.wikipedia.org/wiki/Elementary_mathematics

    A circle is a simple shape of two-dimensional geometry that is the set of all points in a plane that are at a given distance from a given point, the center.The distance between any of the points and the center is called the radius. It can also be defined as the locus of a point equidistant from a fixed point.

  3. Kumon - Wikipedia

    en.wikipedia.org/wiki/Kumon

    All Kumon programs are pencil-and-worksheet-based, with a digital program that started in 2023. The worksheets increase in difficulty in small increments. [9] [10] Psychologist Kathy Hirsh-Pasek says that using such techniques for 2 to 12-year-olds "does not give your child a leg up on anything". [7] One study has observed a high percentage of ...

  4. Grid method multiplication - Wikipedia

    en.wikipedia.org/wiki/Grid_method_multiplication

    so 3 × 17 = 30 + 21 = 51. This is the "grid" or "boxes" structure which gives the multiplication method its name. Faced with a slightly larger multiplication, such as 34 × 13, pupils may initially be encouraged to also break this into tens. So, expanding 34 as 10 + 10 + 10 + 4 and 13 as 10 + 3, the product 34 × 13 might be represented:

  5. Mathnasium - Wikipedia

    en.wikipedia.org/wiki/Mathnasium

    Mathnasium separates levels of instruction into early education, elementary school, middle school, and high school. Students advance to a new level of study when they demonstrate mastery of the subject through completing mastery checks, where students have to answer a worksheet of problems correctly without help from instructors.

  6. Third grade - Wikipedia

    en.wikipedia.org/wiki/Third_grade

    Third grade (also 3rd Grade or Grade 3) is the third year of formal or compulsory education. It is the third year of primary school . Children in third grade are usually 8–9 years old.

  7. Word problem (mathematics education) - Wikipedia

    en.wikipedia.org/wiki/Word_problem_(mathematics...

    Word problem from the Līlāvatī (12th century), with its English translation and solution. In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation.

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