Grading Guides for Teachers

Practical, classroom-tested guides on how grading actually works — written for teachers, tutors, homeschool parents, and students who want to understand the math behind their grade book. Every guide links back to the free QuickGrade calculator so you can try the examples yourself.

• What Is an Easy Grader?

  9 min read

  A plain-English explanation of what an easy grader is, the formula behind it, and why teachers still reach for one every day.

• How to Calculate Grades: A Step-by-Step Guide for Teachers

  8 min read

  Learn the percentage formula, walk through worked examples, and see how to handle partial credit, extra credit, and dropped scores.

• The Grade Percentage Formula, in Plain English

  10 min read

  The exact formula behind every grade calculator, with worked examples for quizzes, points-based tests, weighted categories, and finals.

• Grading Scales Explained: 4.0 GPA, Percentage, and Standards-Based

  9 min read

  A plain-English tour of the grading systems your school might use, from traditional percentages to standards-based reporting.

• Letter Grade Chart: Percentage to Letter Grade Conversion

  6 min read

  A complete reference for converting percentages to letter grades, including 10-point, 7-point, and plus/minus scales used across US schools.

• Teacher Grading Tips: Grade Faster and Fairer

  9 min read

  Twelve classroom-tested tips for grading efficiently without sacrificing fairness or feedback quality.

• The Complete GPA Guide

  11 min read

  How GPA is calculated on 4.0 and 4.3 scales, unweighted vs weighted, cumulative vs semester — with worked examples.

• The Final Grade Guide

  9 min read

  The formula for figuring out exactly what you need on the final to hit any target grade — plus strategy for the last two weeks.

• Weighted Grades Explained: How Categories and Weights Actually Work

  7 min read

  Understand how weighted categories (tests, homework, participation) combine into a final grade — with a worked semester example.

• How Schools Calculate Grades

  10 min read

  The full path from a single quiz to a report card letter — categories, weights, rounding, and the district policies that shape every GPA.

• Rubric Grading vs Percentage Grading: When to Use Each

  6 min read

  How rubrics and raw percentages measure different things, and how to combine them fairly on projects, essays, and performance tasks.