Question 1

How is my test percentage score calculated?

Accepted Answer

The formula divides the number of correct questions by the total number of questions, then multiplies by 100 to get a percentage. For example, getting 45 correct answers out of 50 total questions yields: (45 ÷ 50) × 100 = 90%.

Question 2

What is the standard grading scale for test scores?

Accepted Answer

Most schools use a standard 10-point scale: A (90% to 100%), B (80% to 89%), C (70% to 79%), D (60% to 69%), and F (below 60%). Plusses and minuses are awarded for scores at the top or bottom of each bracket.

Question 3

How does this calculator help teachers grade exams?

Accepted Answer

When you calculate a test score, we generate a complete 'Mistakes Table' below the results. It displays the exact percentage and letter grade for getting 0, 1, 2, 3, or more questions wrong, allowing teachers to grade a stack of tests in seconds without running math on each one.

Question 4

What is the difference between a raw test score and a scaled score?

Accepted Answer

A raw score is the literal number of correct questions. A scaled score converts that raw number into a percentage or standard ranking, sometimes incorporating a curve if the test was exceptionally easy or hard.

Question 5

Can I input decimal points for partial credit?

Accepted Answer

Yes! If you got half credit on a question, you can enter a decimal value (like 1.5 wrong or 28.5 correct) and the calculator will compile the exact percentage.

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