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  2. FASTT Math - Wikipedia

    en.wikipedia.org/wiki/FASTT_Math

    The study was conducted at two different primary schools, at the first school a fourth grade class was selected to use FASTT Math while the fifth and sixth grade classes stood as control groups, while the second school its fourth grade class was selected to be the control group while the fifth and sixth grade classes were selected to use FASTT ...

  3. Elementary arithmetic - Wikipedia

    en.wikipedia.org/wiki/Elementary_arithmetic

    Example of addition with carry. The black numbers are the addends, the green number is the carry, and the blue number is the sum. In the rightmost digit, the addition of 9 and 7 is 16, carrying 1 into the next pair of the digit to the left, making its addition 1 + 5 + 2 = 8. Therefore, 59 + 27 = 86.

  4. Lesson Planet - Wikipedia

    en.wikipedia.org/wiki/Lesson_Planet

    Lesson Planet provides teacher-reviewed resources for use by teachers and parents. Its products are designed to supplement traditional and non-traditional education from kindergarten through the 12th grade. The firm was founded in 1999 by James Hurley, and is based in Santa Barbara, California.

  5. Addition - Wikipedia

    en.wikipedia.org/wiki/Addition

    To prove the usual properties of addition, one must first define addition for the context in question. Addition is first defined on the natural numbers. In set theory, addition is then extended to progressively larger sets that include the natural numbers: the integers, the rational numbers, and the real numbers. [53]

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  7. Exercise (mathematics) - Wikipedia

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

    At the Russian School of Mathematics, students begin multi-step problems as early as the first grade, learning to build on previous results to progress towards the solution. In the 1960s, collections of mathematical exercises were translated from Russian and published by W. H. Freeman and Company : The USSR Olympiad Problem Book (1962), [ 8 ...

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