40-Question Test Grading Chart – Wrong Answers to Grade
This printable 40-question test grading chart provides an instant score lookup table for classroom evaluations, quizzes, and unit assessments. On this test, each question is worth 2.5% of the final grade. Clean 2.5% step per question; even half-up rounding across all scores.
How Many Questions Can You Miss on a 40-Question Test?
Target score thresholds based on the standard 10-point academic grading scale:
| Target Grade | Minimum % | Maximum Wrong | Minimum Correct | Resulting Score | Grade Status |
|---|---|---|---|---|---|
| Grade A | 90% | 4 missed | 36 / 40 correct | 90% | A |
| Grade B | 80% | 8 missed | 32 / 40 correct | 80% | B |
| Grade C | 70% | 12 missed | 28 / 40 correct | 70% | C |
| Grade D | 60% | 16 missed | 24 / 40 correct | 60% | D |
| Wrong Answers | Correct Answers | Score % | Letter Grade | Plus/Minus Grade | Academic Standing |
|---|---|---|---|---|---|
| 0 missed | 40 / 40 | 100% | A | A+ | Exceptional Mastery |
| 1 missed | 39 / 40 | 98% | A | A+ | Exceptional Mastery |
| 2 missed | 38 / 40 | 95% | A | A | Superior Achievement |
| 3 missed | 37 / 40 | 93% | A | A | Superior Achievement |
| 4 missed | 36 / 40 | 90% | A | A- | Excellent Work |
| 5 missed | 35 / 40 | 88% | B | B+ | Very Good Understanding |
| 6 missed | 34 / 40 | 85% | B | B | Good Comprehension |
| 7 missed | 33 / 40 | 83% | B | B | Good Comprehension |
| 8 missed | 32 / 40 | 80% | B | B- | Solid Effort |
| 9 missed | 31 / 40 | 78% | C | C+ | Above Average Passing |
| 10 missed | 30 / 40 | 75% | C | C | Satisfactory Standard |
| 11 missed | 29 / 40 | 73% | C | C | Satisfactory Standard |
| 12 missed | 28 / 40 | 70% | C | C- | Minimum Passing Grade |
| 13 missed | 27 / 40 | 68% | D | D+ | Below Passing Standard |
| 14 missed | 26 / 40 | 65% | D | D | Marginal Pass |
| 15 missed | 25 / 40 | 63% | D | D | Marginal Pass |
| 16 missed | 24 / 40 | 60% | D | D- | Lowest Passing Credit |
| 17 missed | 23 / 40 | 57% | F | F | Failing Grade |
| 18 missed | 22 / 40 | 55% | F | F | Failing Grade |
| 19 missed | 21 / 40 | 53% | F | F | Failing Grade |
| 20 missed | 20 / 40 | 50% | F | F | Failing Grade |
| 21 missed | 19 / 40 | 48% | F | F | Failing Grade |
| 22 missed | 18 / 40 | 45% | F | F | Failing Grade |
| 23 missed | 17 / 40 | 43% | F | F | Failing Grade |
| 24 missed | 16 / 40 | 40% | F | F | Failing Grade |
| 25 missed | 15 / 40 | 38% | F | F | Failing Grade |
| 26 missed | 14 / 40 | 35% | F | F | Failing Grade |
| 27 missed | 13 / 40 | 33% | F | F | Failing Grade |
| 28 missed | 12 / 40 | 30% | F | F | Failing Grade |
| 29 missed | 11 / 40 | 28% | F | F | Failing Grade |
| 30 missed | 10 / 40 | 25% | F | F | Failing Grade |
| 31 missed | 9 / 40 | 23% | F | F | Failing Grade |
| 32 missed | 8 / 40 | 20% | F | F | Failing Grade |
| 33 missed | 7 / 40 | 18% | F | F | Failing Grade |
| 34 missed | 6 / 40 | 15% | F | F | Failing Grade |
| 35 missed | 5 / 40 | 13% | F | F | Failing Grade |
| 36 missed | 4 / 40 | 10% | F | F | Failing Grade |
| 37 missed | 3 / 40 | 8% | F | F | Failing Grade |
| 38 missed | 2 / 40 | 5% | F | F | Failing Grade |
| 39 missed | 1 / 40 | 3% | F | F | Failing Grade |
| 40 missed | 0 / 40 | 0% | F | F | Failing Grade |
Plus/Minus Grade Scale Reference (40 Questions)
Quick reference table for schools utilizing A+, A, A-, B+, B, B-, C+, C, C-, D+, D, D-, and F.
| Letter Grade | Max Missed Questions | Min Correct Answers | Resulting Percentage |
|---|---|---|---|
| A+ | 0 missed | 40 / 40 | 100% |
| A | 2 missed | 38 / 40 | 95% |
| A- | 4 missed | 36 / 40 | 90% |
| B+ | 5 missed | 35 / 40 | 88% |
| B | 6 missed | 34 / 40 | 85% |
| B- | 8 missed | 32 / 40 | 80% |
| C+ | 9 missed | 31 / 40 | 78% |
| C | 10 missed | 30 / 40 | 75% |
| C- | 12 missed | 28 / 40 | 70% |
| D+ | 13 missed | 27 / 40 | 68% |
| D | 14 missed | 26 / 40 | 65% |
| D- | 16 missed | 24 / 40 | 60% |
| F | 17 missed | 23 / 40 | 57% |
Grading Guidance & Teacher Insights for 40-Question Tests
Quarterly benchmark exams, state practice tests, and comprehensive reviews. Each question carries a weight of 2.5%. Because this test size divides evenly into 100, calculating scores mentally is quick and reliable. A student can drop from an A to a B with just 5 incorrect answers.
Need to grade assignments with variable point weights or unequal question values? Check our Points Grade Calculator or calculate term standings with our Final Grade Calculator.
40-Question Test Grading FAQs
How much is each question worth on a 40-question test?
On a 40-question test, each question is worth exactly 2.5% of the total score (calculated as 100 ÷ 40). Because 100 divides cleanly by this test size, every score produces predictable whole or half percentages.
How many questions can you miss to get an A on a 40-question test?
Under the standard 10-point scale (90% minimum for an A), you can miss at most 4 questions. Scoring 36/40 yields an exact score of 90% (A). Missing 5 drops the score into the B range.
How does rounding work on a 40-question assessment?
On a 40-question exam, each question represents an even decrement of 2.5%. For example, missing 1 question yields exactly 97.5%, requiring no complex decimal rounding.
Can I print or save this 40-question grading chart as a PDF?
Yes! Use the 'Print / Save as PDF' button on this page. Our high-contrast print stylesheet hides menus and interactive buttons, printing a clean, ink-friendly grade matrix formatted for standard classroom binders and teacher desks.