How to calculate what i need on my final
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Introduction
Final exams often carry significant weight in determining your final grade for a course. Knowing what score you need to achieve your desired overall grade can help you set realistic goals, focus your studying, and reduce stress. In this article, we’ll explore an easy method to calculate the required score on your final exam.
Step 1: Gather Information
The first step is to gather all necessary information. You’ll need the following:
1. Your current course grade.
2. The weight of the final exam (usually given as a percentage).
3. Your desired final course grade.
Step 2: Convert Percentages to Decimal Form
If the weights of your final exam and other course components are given as percentages, convert them to decimal form by dividing the percentage by 100. For example, if the weight of your final exam is 40%, convert it to 0.4 (40 ÷ 100 = 0.4). Likewise, if you want to achieve an overall course grade of 85%, convert it to 0.85.
Step 3: Calculate the Remaining Weight
Calculate the remaining weight that your other assignments or tests contribute to your overall course score (not including the final exam) by subtracting the weight of your final from one:
Remaining Weight = 1 – Final Exam Weight
Step 4: Calculate Your Current Grade Contribution
Determine how much of your ideal overall course score comes from the non-final components:
Current Grade Contribution = Current Course Grade × Remaining Weight
Step 5: Calculate Your Needed Final Exam Score
Now find out how much more you need to achieve by taking into account both your desired overall grade and current grade contribution:
Required Final Exam Score = (Desired Overall Course Grade – Current Grade Contribution) ÷ Final Exam Weight
Step 6: Convert the Result to Percentage
Multiply your result by 100 to display as a percentage:
Percentage Needed on Final Exam = Required Final Exam Score × 100
Example Calculation
Let’s assume your current course grade is 80%, the weight of your final exam is 40%, and you want to achieve an overall grade of 85%:
1. Convert percentages to decimals:
– Current Course Grade: 80% → 0.8
– Final Exam Weight: 40% → 0.4
– Desired Overall Grade: 85% → 0.85
2. Calculate the remaining weight: Remaining Weight = 1 – 0.4 = 0.6
3. Calculate current grade contribution: Current Grade Contribution = 0.8 × 0.6 = 0.48
4. Calculate the required final exam score: Required Final Exam Score = (0.85 – 0.48) ÷ 0.4 ≈ 0.925
5. Convert the result to percentage: Percentage Needed on Final Exam ≈ 92.5%
Conclusion
Using this simple method, you can determine what score you need on your final exam to achieve your desired overall course grade. This knowledge will help you set realistic goals and focus your studies more effectively in preparation for the exam. Good luck!