155 out of 225 = 68.89%
If you scored 155 points out of a possible 225 points, your percentage grade is 68.89%, which is a D+ letter grade with a GPA of 1.3.
Standard US Scale
4.0 Scale
Grade Description
Needs Improvement - Barely meets minimum requirements with significant gaps.
Improvement Tips
- Meet with your teacher to create an improvement plan
- Establish a daily study routine with specific goals
- Find a tutor or study partner to help with challenging topics
- Break down complex topics into smaller, manageable parts
Detailed Grade Table
| Grade | Correct | Incorrect | Percent |
|---|---|---|---|
| A+ | 219 to 225 | 0 to 6 | 97.00 to 100.00 |
| A | 210 to 218 | 7 to 15 | 93.00 to 96.99 |
| A- | 203 to 209 | 16 to 22 | 90.00 to 92.99 |
| B+ | 196 to 202 | 23 to 29 | 87.00 to 89.99 |
| B | 187 to 195 | 30 to 38 | 83.00 to 86.99 |
| B- | 180 to 186 | 39 to 45 | 80.00 to 82.99 |
| C+ | 174 to 179 | 46 to 51 | 77.00 to 79.99 |
| C | 165 to 173 | 52 to 60 | 73.00 to 76.99 |
| C- | 158 to 164 | 61 to 67 | 70.00 to 72.99 |
| D+ | 151 to 157 | 68 to 74 | 67.00 to 69.99 |
| D | 142 to 150 | 75 to 83 | 63.00 to 66.99 |
| D- | 135 to 141 | 84 to 90 | 60.00 to 62.99 |
| F | 0 to 134 | 91 to 225 | 0.00 to 59.99 |
Your grade of 68.89% (D+) is highlighted in the table above. The "Correct" and "Incorrect" columns show the equivalent number of questions for your total of 225 points.
To calculate 155 out of 225 as a percentage, you divide 155 by 225 and then multiply by 100:
This calculation gives you your percentage score, which can then be converted to a letter grade based on your school or institution's grading scale.
Step-by-step explanation:
- Divide the points earned (155) by the total points possible (225):
155 ÷ 225 = 0.6889 - Multiply the result by 100 to get the percentage:
0.6889 × 100 = 68.89% - Convert the percentage to a letter grade using the standard scale:
68.89% = D+
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A score of 155 out of 225 (68.89%) has different implications depending on the educational context:
| Context | Interpretation |
|---|---|
| Homework Assignment | Basic understanding with significant gaps |
| Quiz or Test | Minimal preparation with significant gaps |
| Final Exam | Basic understanding of core concepts |
| Course Grade | Minimal acceptable performance |
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