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2. 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 ...

3. Addition - Wikipedia

   en.wikipedia.org/wiki/Addition

   A number-line visualization of the algebraic addition 2 + 4 = 6. A "jump" that has a distance of 2 followed by another that is long as 4, is the same as a translation by 6. A number-line visualization of the unary addition 2 + 4 = 6. A translation by 4 is equivalent to four translations by 1.

4. Fraction - Wikipedia

   en.wikipedia.org/wiki/Fraction

   A cake with one quarter (one fourth) removed. The remaining three fourths are shown by dotted lines and labeled by the fraction ⁠ 1 / 4 ⁠ A fraction (from Latin: fractus, "broken") represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain ...

5. Integrated mathematics - Wikipedia

   en.wikipedia.org/wiki/Integrated_mathematics

   New York State began using integrated math curricula in the 1980s, [4] but recently returned to a traditional curriculum. A few other localities in the United States have also tried such integrated curricula, [ 5 ] including Georgia, which mandated them in 2008 but subsequently made them optional. [ 6 ]

6. Order of operations - Wikipedia

   en.wikipedia.org/wiki/Order_of_operations

   These conventions exist to avoid notational ambiguity while allowing notation to remain brief. [4] Where it is desired to override the precedence conventions, or even simply to emphasize them, parentheses ( ) can be used. For example, (2 + 3) × 4 = 20 forces addition to precede multiplication, while (3 + 5) 2 = 64 forces addition to precede ...

7. Mathematics - Wikipedia

   en.wikipedia.org/wiki/Mathematics

   Historically, the concept of a proof and its associated mathematical rigour first appeared in Greek mathematics, most notably in Euclid's Elements. [4] Since its beginning, mathematics was primarily divided into geometry and arithmetic (the manipulation of natural numbers and fractions ), until the 16th and 17th centuries, when algebra [ a ...