# Closed Questions in Math: Definition & Examples

Instructor: Mia Primas

Mia has taught math and science and has a Master's Degree in Secondary Teaching.

Most students love exams with multiple choice questions. In this lesson, you will learn about closed questions, including multiple choice questions. You will learn how they are different from open questions and see a few examples of each type. After the lesson, you can take a brief quiz, with all closed questions, of course!

## Definition

We all love multiple choice questions. They usually offer four answer choices, so even if we have no clue what the answer is, we can guess and still have a 25% chance of getting it right! True or false questions are even better, with a 50% chance of getting it right.

Multiple choice and true or false questions don't require you to provide your own answer. The answer choices are given, which is what makes them closed questions. With open questions, the answer section is left 'open' for you to write your own answer. Let's look at a few variations of closed questions.

## Examples of Closed Questions

This question is multiple choice, which is one of the most common types of questions on exams.

Which angle is greater than 90 degrees?

a. acute

b. obtuse

c. right

d. none of the above

This type of question has only one correct answer. In this case, it is answer b.

The same question could be written as a true or false question.

True or False: An obtuse angle measures less than 90 degrees.

Some tests use multiple answer questions. These questions are set up exactly as multiple choice questions, but more than one answer is correct. Here is an example:

Which angle measurements are obtuse?

a. 35 degrees

b. 102 degrees

c. 89 degrees

d. 90 degrees

e. 91 degrees

f. 150 degrees

To answer this question, we need to select any measurements that are greater than 90 degrees. This would be answers b, e, and f.

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