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Practical guides from Grading Calculator

6 guides to use with the Grading chart and test score calculator: Enter the number of questions to see the score and letter grade for every number wrong. Half points, custom grading scales and a printable grading chart.

01

How to Calculate a Test Score (Percent, Points, Wrong Answers)

Work out a test score as a percentage from questions right, questions wrong or points earned, with worked examples, half points and rounding.

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02

Letter Grade Scales Explained: 10-Point and Plus/Minus

See how a common 10-point letter grade scale and a plus/minus scale work, why schools differ, and how rounding affects a cutoff such as 89.5.

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03

How Weighted Grades Work: Categories, Weights and Examples

Learn how weighted grades combine homework, quizzes and tests, with a worked example, what to do when weights do not total 100, and common mistakes.

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04

What Grade Do I Need on My Final? Formula and Examples

Use one formula to find the score you need on a final exam to reach a target grade, with worked examples and notes on what counts as your current grade.

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05

How to Curve Grades: Four Common Methods With Examples

Compare four ways to curve test scores: a flat bonus, scaling the top score to 100, the square root curve and a target average, with worked arithmetic.

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06

Grade Faster With a Grading Chart: A Teacher Workflow

A practical workflow for grading a test with a chart: build the answer key, count wrong answers, read the score, handle half points and double-check.

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Grading Calculator

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