https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-area-formula-intuition/v/rectangle-area-as-product-of-dimensions-same-as-counting-unit-squares 2021-07-07T20:19:26Z Counting unit squares to find area formula Sal uses unit squares to see why multiplying side-lengths can also find the area of rectangles.    Sal Khan video https://cdn.kastatic.org/googleusercontent/stlR2hLpfqUfhlaLA1rKy8H9zxDvxEGD6edqlv1x1mvDZt_TDdE-iide8P6i7NGR_cnNQdkRDwsjUpENXZzeGTc Counting unit squares to find area formula Sal uses unit squares to see why multiplying side-lengths can also find the area of rectangles.    https://cdn.kastatic.org/ka-youtube-converted/DRg2VCo8lP0.mp4/DRg2VCo8lP0.mp4 320 Area formula intuition https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-area-formula-intuition/v/transitioning-from-counting-to-multiplying-to-find-area-3rd-grade-khan-academy 2021-07-07T20:19:25Z Transitioning from unit squares to area formula Lindsay finds the area of a rectangle both by counting unit squares and multiplying side lengths.  Lindsay Spears video https://cdn.kastatic.org/googleusercontent/0TcMAODNL5pHqeAqhsBwYzmo6XYyHkphibtUWYy4rg3HTA4BYrsKdKuo5yQlLqLYsBbb_UyhIGiQJ8mAh5GudWhX Transitioning from unit squares to area formula Lindsay finds the area of a rectangle both by counting unit squares and multiplying side lengths.  https://cdn.kastatic.org/ka-youtube-converted/mu3HHCdYYtY.mp4/mu3HHCdYYtY.mp4 202 Area formula intuition https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-area-formula-intuition/v/area-with-partial-grids 2023-08-29T14:12:56.454303975Z Area with partial grids Explore the concept of finding area with partial arrays. Learn how to determine the area of partial rectangles by completing the rectangle with lines, similar to a grid. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/409abb4c-245e-4777-955f-ced24e4255e3_1280_720_base.png Area with partial grids Explore the concept of finding area with partial arrays. Learn how to determine the area of partial rectangles by completing the rectangle with lines, similar to a grid. https://cdn.kastatic.org/ka-youtube-converted/C2MfAToi5WA.mp4/C2MfAToi5WA.mp4 147 Area formula intuition https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-area-formula-intuition/e/area-of-rectangles-with-partial-arrays 2023-08-29T14:12:56.454303975Z Area of rectangles with partial arrays Find the area of rectangles when not all square units are shown. Lindsay exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-area-formula-intuition/e/finding-area-by-multiplying 2026-04-24T10:30:39.970882433Z Transition from unit squares to area formula Find area of rectangles by multiplying side-lengths. Lindsay Spears exercise