Piano Guidance
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Is D+ better than D?

The table below shows the conversion from numerical grades to letter grades. ... Grading Numerology. Number → Letter Conversion Numerical Grade Letter Grade ≥ 70.0 C- ≥ 67.5 D+ ≥ 62.5 D 10 more rows

science.smith.edu - Grading Numerology
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Grading Numerology

I use percentages to map to letter grades. The percentages mirror the 4.0 scale, except that where a GPA difference of 1.0 corresponds to a full letter grade, I use a percentage difference of 10. The table below shows the conversion from numerical grades to letter grades. Number → Letter Conversion Numerical Grade Letter Grade ≥ 97.5 A+ ≥ 92.5 A ≥ 90.0 A- ≥ 87.5 B+ ≥ 82.5 B ≥ 80.0 B- ≥ 77.5 C+ ≥ 72.5 C ≥ 70.0 C- ≥ 67.5 D+ ≥ 62.5 D ≥ 60.0 D- < 60.0 E Letter → Number Conversion Letter Grade Numerical Grade A+ 98.75 A 95.00 A- 91.25 B+ 88.75 B 85.00 B- 81.25 C+ 78.75 C 75.00 C- 71.25 D+ 68.75 D 65.00 D- 61.25 E 55.00

Why I don't round grades

It is my practice not to round the numerical grade before mapping to letter grades by the table. This can be a sore point, so let me explain. For example, I use ≥90.00 as the transition from a B+ to an A-. This means that if your numerical grade is 89.9, I map it to a B+ and not an A-. It can be heartbreaking to miss a grade boundary by -0.1, I know. But to round up, say, every numerical grade ≥89.50 to 90.00 and map that to an A-, means that the transition from B+ to A- is actually 89.50, not 90.00. And that would mean that a grade of 89.4 would miss a grade boundary by -0.1. (It would also mean that me announcing the grade boundary of 90.00 is not accurate.) No matter what policiy is followed, some could miss a grade boundary by a hair. Even though there may be some psychological difference between the two situations, I prefer to keep it straightforward by announcing the sharp grade boundary and then following it strictly. I find it helps keeps the process more objective, and does not allow room for subjective grade adjustments, which are almost always unfair.

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Pianoforall is one of the most popular online piano courses online and has helped over 450,000 students around the world achieve their dream of playing beautiful piano for over a decade.

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