Easy Grader for Teachers
Set the number of questions once, then read off the score for any number wrong, with the full grading chart for the whole stack.
| # wrong | Score | Letter |
|---|---|---|
| 0 | 100.0% | A+ |
| 1 | 95.0% | A |
| 2 | 90.0% | A- |
| 3 | 85.0% | B |
| 4 | 80.0% | B- |
| 5 | 75.0% | C |
| 6 | 70.0% | C- |
| 7 | 65.0% | D |
| 8 | 60.0% | D- |
| 9 | 55.0% | F |
| 10 | 50.0% | F |
| 11 | 45.0% | F |
| 12 | 40.0% | F |
| 13 | 35.0% | F |
| 14 | 30.0% | F |
| 15 | 25.0% | F |
| 16 | 20.0% | F |
| 17 | 15.0% | F |
| 18 | 10.0% | F |
| 19 | 5.0% | F |
| 20 | 0.0% | F |
The old cardboard wheel, minus the cardboard
If you ever taught with the round cardboard EZ grader, this is the same idea: fix the number of questions, then look up scores by the number wrong. Type the quiz size once, and the chart lists the score and letter for every wrong count, with your current entry highlighted. Counting wrong answers is almost always faster than counting correct ones, which is why graders work this way.
Odd question counts are the whole point
Nobody needs help scoring a 10-question quiz. The tool earns its keep on a 17-question test, where each question is worth 5.88 points and three wrong is 82.4%, or a 43-question review where the mental math stops being worth it. Enter any size up to 500 questions and let the division happen for you.
After the grading is done
Once each paper has a score, the test average calculator gives you a quick class mean, and percentage to GPA translates scores for anyone tracking a 4.0 scale.
Frequently asked questions
- How does an easy grader work?
- Score = (questions correct ÷ total questions) × 100. On a 20-question quiz with 3 wrong, that's 17 ÷ 20 = 85%. You set the total once and the chart shows every possible score, which is what makes grading a stack of papers fast.
- What's the fastest way to grade a whole class set?
- Set the question count, then keep the chart on screen and just count each paper's wrong answers. The highlighted row follows whatever you type in the wrong box, and the chart covers every other paper without retyping.
- Does it handle half points?
- Enter the wrong count with decimals if you take half-offs (2.5 wrong on 20 is 87.5%). The chart shows whole numbers, but the score box accepts decimals fine.
- What letter grade goes with the score?
- We show the standard US scale: 93+ is an A, 90 to 92 an A-, 87 to 89 a B+, and so on. If your school uses a 10-point scale (90+ A, 80+ B), read the percentage and apply your own bands.