The phrase "a couple of marks" is correct and usable in written English.
It can be used when referring to a small number of marks, typically in the context of grading or scoring.
Example: "She received a couple of marks for her effort on the exam, but it wasn't enough to pass."
Alternatives: "a few marks" or "several marks".
"Putting a couple of marks, the currency over there.
Finn was a couple of marks short in each of the tests.
All Williams did was point to a couple of marks in the red clay on balls called in by the line judge before the umpire subsequently checked and overruled.
"Secondly, the way the appeal system is designed at the moment, and indeed headteachers agree with us, is that where you're within a couple of marks of such a grade boundary it's worth appealing because it is a one-way bet.
"They accept that grade boundaries can change by a couple of marks, but to change by 10 or more makes a mockery of the system".
"There were a couple of marks on the dog that only the owner would know about, and they identified those," Dierdorff told The Dodo. "We wanted to make sure they were the right owners".
Indeed, he began to apply himself in school, and in a couple of marking periods we got a congratulatory note and an honor roll sticker with his report card.
The two had to be separated after Payton, who tied his season high with 14 assists despite a sore back, tried to get his hands around Harris's neck, a move that left Harris with a couple of scratch marks.
The Mets are desperate for a quality arm to bolster a rotation that suddenly has a couple of question marks.
A couple of question marks over them still, but there's a frisson of excitement about this new side Alex Ferguson is crafting.
Tory Dickson booted three goals and Tom Boyd clutched a couple of strong marks but neither forward was able to bust the game wide open for the Bulldogs.
