marking answers

<p>how do you guys think answers should be filled into the answer sheet? when youve finished the problem or once youve finished the entire section?</p>

<p>Do it when you've finished the problem. Imagine if you waited until the end of the section and ran out of time -- you'd've done lots of problems but will only get credit for those you've filled in. It's a little annoying to go back and forth from the test to the answer sheet, but that way you know you'll get credit for the questions you've done.</p>