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2. Elementary arithmetic - Wikipedia

   en.wikipedia.org/wiki/Elementary_arithmetic

   Elementary arithmetic is a branch of mathematics involving addition, subtraction, multiplication, and division. Due to its low level of abstraction, broad range of application, and position as the foundation of all mathematics, elementary arithmetic is generally the first branch of mathematics taught in schools. [1] [2]

3. List of Schoolhouse Rock! episodes - Wikipedia

   en.wikipedia.org/wiki/List_of_Schoolhouse_Rock...

   The following is a list of the 65 music videos of the Schoolhouse Rock! series. Series overview Season Title Episodes Originally released First released Last released Network 1 Multiplication Rock 11 January 6, 1973 (1973-01-06) March 31, 1973 (1973-03-31) ABC 2 Grammar Rock 9 September 15, 1973 (1973-09-15) September 11, 1993 (1993-09-11) 3 America Rock 12 September 20, 1975 (1975-09-20 ...

4. Order of operations - Wikipedia

   en.wikipedia.org/wiki/Order_of_operations

   [2] [3] Thus, in the expression 1 + 2 × 3, the multiplication is performed before addition, and the expression has the value 1 + (2 × 3) = 7, and not (1 + 2) × 3 = 9. When exponents were introduced in the 16th and 17th centuries, they were given precedence over both addition and multiplication and placed as a superscript to the right of ...

5. 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]

6. Elementary mathematics - Wikipedia

   en.wikipedia.org/wiki/Elementary_mathematics

   Turning the paper over is permitted. Two geometrical objects are called similar if they both have the same shape , or one has the same shape as the mirror image of the other. More precisely, one can be obtained from the other by uniformly scaling (enlarging or shrinking), possibly with additional translation , rotation and reflection .

7. Multiplication sign - Wikipedia

   en.wikipedia.org/wiki/Multiplication_sign

   The multiplication sign (×), also known as the times sign or the dimension sign, is a mathematical symbol used to denote the operation of multiplication, which results in a product. [ 1 ] The symbol is also used in botany , in botanical hybrid names .