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In Europe and the U.S. percentage "grade" is the most commonly used figure for describing slopes. as a per mille figure (denoted with the symbol ‰ ), the formula for which is 1000 × rise run {\displaystyle 1000\times {\frac {\text{rise}}{\text{run}}}} which could also be expressed as the tangent of the angle of inclination times 1000.
In some places, .25 or .3 instead of .33 is added for a plus grade and subtracted for a minus grade. Other institutions maintain a mid-grade and award .5 for the grade. For example, an AB would receive a 3.5-grade point and a BC would receive a 2.5-grade point.
Grading in education is the application of standardized measurements to evaluate different levels of student achievement in a course. Grades can be expressed as letters (usually A to F), as a range (for example, 1 to 6), percentages, or as numbers out of a possible total (often out of 100).
Level 3, at government standards (B; 70–79 percent) Level 2, approaching government standards (C; 60–69 percent) Level 1, well below government standards (D; 50–59 percent) The grading standards for A− letter grades changed in September 2010 to coincide with a new academic year. The new changes require a higher percentage grade by two ...
In general, if an increase of x percent is followed by a decrease of x percent, and the initial amount was p, the final amount is p (1 + 0.01 x)(1 − 0.01 x) = p (1 − (0.01 x) 2); hence the net change is an overall decrease by x percent of x percent (the square of the original percent change when expressed as a decimal number).
In decimal numbers greater than 1 (such as 3.75), the fractional part of the number is expressed by the digits to the right of the separator (with a value of 0.75 in this case). 3.75 can be written either as an improper fraction, 375 / 100 , or as a mixed number, 3 + 75 / 100 .
The division with remainder or Euclidean division of two natural numbers provides an integer quotient, which is the number of times the second number is completely contained in the first number, and a remainder, which is the part of the first number that remains, when in the course of computing the quotient, no further full chunk of the size of ...
Plus and minus signs are often used to further differentiate marks. For example, "2+" corresponds to the U.S. 'B+'. Half-intervals may also be used, such as "2–3", a grade halfway between 2 and 3. At the university level, only grades 1, 2 and 3 are passing; anything worse than 3 is automatically a failing grade.