Finding missing side when given area | Math | 3rd grade | 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/cc-third-grade-math/imp-geometry/imp-multiply-to-find-area/v/finding-missing-side-when-given-area-math-3rd-grade-khan-academy Lindsay finds the missing side length on a rectangle when given the area of the rectangle. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-third-grade-measurement/cc-third-grade-multiply-to-find-area/e/find-a-missing-side-length-when-given-area-of-a-rectangle Watch the next lesson: https://www.khanacademy.org/math/cc-third-grade-math/cc-third-grade-measurement/cc-third-grade-multiply-to-find-area/v/comparing-areas-of-plots-of-land Missed the previous lesson? Watch here: https://www.khanacademy.org/math/pre-algebra/measurement/area-basics/v/rectangle-area-as-product-of-dimensions-same-as-counting-unit-squares 3rd grade math on Khan Academy: We know you've been rocking through 2nd grade adding and subtracting all kinds of whole numbers (up to 2 digits, right?). That's awesome! In 3rd grade math we want you to start using bigger numbers and start multiplying and dividing, too. By the way, did you know that some numbers aren’t actually “whole?” They’re “partially whole.” We call them fractions! We want you to start playing around and having fun with those, too. There's also area, perimeter, and place value to be discovered. Whew. We have so much to do and can't wait to

Published 2016-06-14 · Watch on YouTube ↗
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