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  2. Worksheet - Wikipedia

    en.wikipedia.org/wiki/Worksheet

    It can be a printed page that a child completes with a writing instrument. No other materials are needed. In education, a worksheet may have questions for students and places to record answers. In accounting, a worksheet is, or was, a sheet of ruled paper with rows and columns on which an accountant could record information or perform calculations.

  3. Subtraction - Wikipedia

    en.wikipedia.org/wiki/Subtraction

    The Austrian method does not reduce the 7 to 6. Rather it increases the subtrahend hundreds digit by one. A small mark is made near or below this digit (depending on the school). Then the subtraction proceeds by asking what number when increased by 1, and 5 is added to it, makes 7. The answer is 1, and is written down in the result's hundreds ...

  4. Elementary arithmetic - Wikipedia

    en.wikipedia.org/wiki/Elementary_arithmetic

    The symbols for elementary-level math operations. From top-left going clockwise: addition, division, multiplication, and subtraction. Elementary arithmetic is a branch of mathematics involving addition, subtraction, multiplication, and division.

  5. Investigations in Numbers, Data, and Space - Wikipedia

    en.wikipedia.org/wiki/Investigations_in_Numbers...

    Investigations was developed between 1990 and 1998. It was just one of a number of reform mathematics curricula initially funded by a National Science Foundation grant. The goals of the project raised opposition to the curriculum from critics (both parents and mathematics teachers) who objected to the emphasis on conceptual learning instead of instruction in more recognized specific methods ...

  6. Arithmetic - Wikipedia

    en.wikipedia.org/wiki/Arithmetic

    Counting is a type of repeated addition in which the number 1 is continuously added. [46] Subtraction is the inverse of addition. In it, one number, known as the subtrahend, is taken away from another, known as the minuend. The result of this operation is called the difference. The symbol of subtraction is . [47]

  7. 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 ...

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