| From 100 deduct— |
| 1. For each wrong process, producing incorrect result, in proportion to the number of steps involved and gravity of error | 10 to 100 |
| 2. For decimal error and for each evasion of a decimal or common fraction test | 25 |
| 3. For each error in computation or in copying from the printed question or from work | 10 |
| 4. For minor errors, such as wrong indication of a correct process, incorrect or inconsistent punctuation, improper use of symbols of designation, improper or incorrect designation of a partial or final results, etc. | 5 to 10 |
| 5. For failure to show work, as required in solution of problems | 25 to 75 |