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2. Circle - Wikipedia

   en.wikipedia.org/wiki/Circle

   A circle bounds a region of the plane called a disc. The circle has been known since before the beginning of recorded history. Natural circles are common, such as the full moon or a slice of round fruit. The circle is the basis for the wheel, which, with related inventions such as gears, makes much of modern

3. Science education in England - Wikipedia

   en.wikipedia.org/wiki/Science_education_in_England

   The National Curriculum divides KS2 into lower KS2 (years 3 and 4) and upper KS2 (years 5 and 6). If a full science curriculum is offered as prescribed by the National Curriculum then year 3 should continue from KS1, but with more complex observations for the child to do on plants and animals, and materials—rocks, fossils and soils, are ...

4. Chord (geometry) - Wikipedia

   en.wikipedia.org/wiki/Chord_(geometry)

   Ptolemy used a circle of diameter 120, and gave chord lengths accurate to two sexagesimal (base sixty) digits after the integer part. [2] The chord function is defined geometrically as shown in the picture. The chord of an angle is the length of the chord between two points on a unit circle separated by that central angle.

5. Circular arc - Wikipedia

   en.wikipedia.org/wiki/Circular_arc

   A circular sector is shaded in green. Its curved boundary of length L is a circular arc. A circular arc is the arc of a circle between a pair of distinct points.If the two points are not directly opposite each other, one of these arcs, the minor arc, subtends an angle at the center of the circle that is less than π radians (180 degrees); and the other arc, the major arc, subtends an angle ...

6. Van Hiele model - Wikipedia

   en.wikipedia.org/wiki/Van_Hiele_model

   Children simply say, "That is a circle," usually without further description. Children identify prototypes of basic geometrical figures (triangle, circle, square). These visual prototypes are then used to identify other shapes. A shape is a circle because it looks like a sun; a shape is a rectangle because it looks like a door or a box; and so on.

7. College football games today: How to watch, stream Saturday's ...

   www.aol.com/college-football-games-today-watch...

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