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2. Fraction - Wikipedia

   en.wikipedia.org/wiki/Fraction

   A mixed number (also called a mixed fraction or mixed numeral) is the sum of a non-zero integer and a proper fraction, conventionally written by juxtaposition (or concatenation) of the two parts, without the use of an intermediate plus (+) or minus (−) sign. When the fraction is written horizontally, a space is added between the integer and ...

3. Student teams-achievement divisions - Wikipedia

   en.wikipedia.org/wiki/Student_teams-achievement...

   STAD has been used in a wide variety of subjects from mathematics to language, arts to social science and used from 2nd grade in schools through college. It is the most appropriate for teaching well defined objectives by incorporating more open-ended assessments, such as essays or performance. [4]

4. List of mathematics competitions - Wikipedia

   en.wikipedia.org/wiki/List_of_mathematics...

   Math League (grades 4–12) MATHCOUNTS; Mathematical Olympiads for Elementary and Middle Schools (MOEMS) Noetic Learning math contest (grades 2-8) Pi Math Contest (for elementary, middle and high school students) Rocket City Math League (pre-algebra to calculus) United States of America Mathematical Talent Search (USAMTS)

5. Jigsaw (teaching technique) - Wikipedia

   en.wikipedia.org/wiki/Jigsaw_(teaching_technique)

   The choice to designate the sixth grade class as "traditional cooperation" rather than "failed jigsaw" was criticized by Bratt. In the public school, a fourth-grade class experienced a three-week jigsaw program. The trad class was a split fourth/fifth-grade class. Each experimental branch had a same-school control.

6. 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 ...

7. Multi-age classroom - Wikipedia

   en.wikipedia.org/wiki/Multi-age_classroom

   [4] [5] (Kelly, 2015) The reasoning behind multi-age classrooms is distinct from that of split classes. While split classes are created when there are not enough students to form two separate single-age classes, multi-age classes are intentionally formed to create a mixed-age, diverse learning environment.