# Math

Test Tips

An actual ACT Mathematics Test contains 60 questions to be answered in 60 minutes.

- Read each question carefully to make sure you understand the type of answer required.
- If you choose to use a calculator, be sure it is permitted, is working on test day, and has reliable batteries.
- Use your calculator wisely.
- Solve the problem.
- Locate your solution among the answer choices.
- Make sure you answer the question asked.
- Make sure your answer is reasonable.
- Check your work.

Calculator Tips

- Review the latest information on permitted and prohibited calculators.
- You are not required to use a calculator. All the problems can be solved without a calculator.
- If you regularly use a calculator in your mathematics work, use one you're familiar with when you take the mathematics test. Using a more powerful, but unfamiliar, calculator is not likely to give you an advantage over using the kind you normally use.

**Click on letter choices below to view the correct answer and explanations.**

For full interaction with the Practice, please view this page on a tablet or desktop device.

**DIRECTIONS: **Solve each problem, choose the correct answer, and then fill in the corresponding oval on your answer document.

Do not linger over problems that take too much time. Solve as many as you can; then return to the others in the time you have left for this test.

You are permitted to use a calculator on this test. You may use your calculator for any problems you choose, but some of the problems may best be done without using a calculator.

Note: Unless otherwise stated, all of the following should be assumed.

- Illustrative figures are NOT necessarily drawn to scale.
- Geometric figures lie in a plane.
- The word
*line*indicates a straight line. - The word
*average*indicates arithmetic mean.