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2. Significant figures - Wikipedia

   en.wikipedia.org/wiki/Significant_figures

   0.00034 has 2 significant figures (3 and 4) if the resolution is 0.00001. Zeros to the right of the last non-zero digit (trailing zeros) in a number with the decimal point are significant if they are within the measurement or reporting resolution. 1.200 has four significant figures (1, 2, 0, and 0) if they are allowed by the measurement resolution.

3. Heads up, seven up - Wikipedia

   en.wikipedia.org/wiki/Heads_up,_seven_up

   Heads up, seven up. Heads up, seven up (sometimes called thumbs up, seven up, or heads down, or heads down thumbs up) is a game where each selected participant with their hands raised has to guess who tapped their heads. It is played traditionally in elementary schools. [1]

4. Jigsaw (teaching technique) - Wikipedia

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

   Jigsaw (teaching technique) The jigsaw technique is a method of organizing classroom activity that makes students dependent on each other to succeed. It breaks classes into groups that each assemble a piece of an assignment and synthesize their work when finished. It was designed by social psychologist Elliot Aronson to help weaken racial ...

5. Geometry - Wikipedia

   en.wikipedia.org/wiki/Geometry

   v. t. e. Geometry (from Ancient Greek γεωμετρία (geōmetría) 'land measurement'; from γῆ (gê) 'earth, land' and μέτρον (métron) 'a measure') [1] is a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures. [2] Geometry is, along with arithmetic, one of ...

6. Mathematics education - Wikipedia

   en.wikipedia.org/wiki/Mathematics_education

   Mathematics Portal. v. t. e. In contemporary education, mathematics education —known in Europe as the didactics or pedagogy of mathematics —is the practice of teaching, learning, and carrying out scholarly research into the transfer of mathematical knowledge.

7. Significant Figures (book) - Wikipedia

   en.wikipedia.org/wiki/Significant_Figures_(book)

   Significant Figures: The Lives and Work of Great Mathematicians is a 2017 nonfiction book by British mathematician Ian Stewart FRS CMath FIMA, published by Basic Books. [1] In the work, Stewart discusses the lives and contributions of 25 figures who are prominent in the history of mathematics. [2] The 25 mathematicians selected are: Archimedes ...