How many can you miss on a 21 question test?
| Grade | Minimum | You can miss |
|---|---|---|
| A | 90% | up to 2 wrong |
| B | 80% | up to 4 wrong |
| C | 70% | up to 6 wrong |
| D | 60% | up to 8 wrong |
On a 21 question test, you can miss up to 2 and still get an A, and up to 4 for a B. Scores are rounded to the nearest whole percent, the way most teachers record them.
Scores out of 21
- 20 out of 21 is 95% — A
- 19 out of 21 is 90% — A
- 18 out of 21 is 86% — B
- 17 out of 21 is 81% — B
- 16 out of 21 is 76% — C
Score = right ÷ 21 × 100
Half points and other scales
Giving half credit, or using your school’s own scale? The Easy Grader opens with 21questions: mark each wrong answer, add half points, switch to a plus/minus or custom scale, and print a chart that matches.