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The only difference between grid-in questions and multiple-choice questions is in the way you mark the answer. Instead of choosing from five given answer-choices, grid-in questions require you to write your numerical answer in a grid.

Because the grid can accommodate only numerical answers, many of the questions will be on arithmetic. There will still be algebra questions, but variables will not appear in the answers.

Like the rest of the test, there is no partial credit given for showing your work on grid-ins.  Unlike, the rest of the test, there is no guessing penalty on the grid-in section. However, unless you have a good idea of what the answer is, the chances of guessing the answer are virtually nil.  So don’t waste time guessing on these questions.

Often you will be able to write your answer in more than one form.
For example, you can grid-in either
1/2 or .5:


You don’t need to put a zero before the .5, though it is still correct if you do.
In the above example .5 was placed on the right side of the grid. It could also have been placed on the left side or in the center:


You must convert all mixed fractions to improper fractions or decimals before gridding them in.  The computer scoring the test will read 2 ½ as 21/2. You must convert it to 5/2 or 2.5 before gridding it in.
Incorrect and correct ways of gridding in 2 ½


Below are the directions for grid-in questions; the wording has been changed slightly from the SAT to make it clearer. Be sure you know them cold before taking the test. You should never have to look at the instructions during the test.

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