Using volume for missing side length (mixed numbers) | Khan Academy

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"Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/math/6th-grade-illustrative-math/unit-4-dividing-fractions/lesson-15-volume-of-prisms/v/using-volume-for-missing-side-length-mixed-numbers Let's learn how to find the missing edge length of a rectangular prism when we already know its volume and two of its dimensions. We'll use the volume formula V = lwh, plug in what we know, and solve for the unknown, getting great practice with fractions and mixed numbers along the way! Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc"

Published 2026-07-02 · Watch on YouTube ↗
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