What happens if you leave all the questions blank on the SAT?
The SAT's scoring system is kind of hard to understand. Every
time you get a question right, you get a point. Every time you miss
one (ANSWER INCORRECTLY NOT LEAVE BLANK) you get 1/4 a point taken
away. If you leave a question blank you receive no points, but you
don't lose any either.
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You can leave questions blank on the SAT. Just like the other
person said,
Correct answer = 1 pt
Incorrect answer = -1/4 pt
Blank = 0 pt
The test is made so that the expected value from randomly
guessing is 0. If you are unsure of a question and can eliminate a
few answer choices, it's probably a good idea to guess. On a math
grid-in question, however, you do not get penalized for wrong
answers, so never leave those questions blank (at least guess if
you have no idea).