A series of free online video lessons to help students with the PSAT math section.

PSAT Math: Prime Numbers
PSAT Math: Factor/Multiply

PSAT Math: Multiples

Learn the definition of "multiples" and how to solve factor questions and multiples questions on the math section of the PSAT
PSAT Math: Averages

Learn how to apply the average formula to find the mean, median and mode of a set of numbers on the math section of the PSAT

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

Learn the definition of "multiples" and how to solve factor questions and multiples questions on the math section of the PSAT

Learn how to apply the average formula to find the mean, median and mode of a set of numbers on the math section of the PSAT

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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