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# how to grade a test?

i had 42 problems of math and i missed 13 what would be my grade.?

### 19 Answers

- solannshiinLv 41 decade agoFavorite Answer
If all the questions were worth 1 point, then 69% yes...but in math that's usually not the case since there's a lot of steps in math.

- Anonymous1 decade ago
If all of the questions are worth the same amount of points, this is how you calculate your grade. Divide the number of problems you got right by the total number of problems on the test. If you have 42 problems total and you have 29 (42 minus 13)problems right then, that's 29 /42 = 69% ( a D)

- 1 decade ago
13 in 42 = x in 100. x= (100x13)/42 = aprox. 31.

100-31 = 69.

Your grade would be 69%

- Anonymous1 decade ago
It's 69%. I'd say that's probably a failing grade.

42-19=29

29/42= 0.69047619

number of correct answers, divided by total possible correct.

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- 1 decade ago
It depends on how many points each question was worth. If each question was worth the same amount of points, your percentage would be about 69%, which I believe is a D+ or C-.

- Anonymous1 decade ago
If they're all worth the same amount of points, 69%.

- 1 decade ago
It depends on how many points each question is worth. You do not have enough info.