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 2021-07-07T20:19:25Z Finding missing side when given area Lindsay finds the missing side length on a rectangle when given the area of the rectangle.  Lindsay Spears video https://cdn.kastatic.org/googleusercontent/4UWiKYtz-XuI6D4Frqz2ieJ0yLETguWV59xwm8xc3ts4PeHKRNflaTcs04S-sjB0PXwfpIvkcj0Dhhz00vaLkPA Finding missing side when given area Lindsay finds the missing side length on a rectangle when given the area of the rectangle.  https://cdn.kastatic.org/ka-youtube-converted/_JdgDBzQ0Us.mp4/_JdgDBzQ0Us.mp4 184 Problemas con áreas https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-multiply-to-find-area/e/comparing-areas-by-multiplying 2022-07-27T14:52:42.217615992Z Compare areas by multiplying Compare the areas of rectangles represented in images or contexts. Lindsay Spears exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-multiply-to-find-area/v/comparing-areas-of-plots-of-land 2020-09-16T18:09:53Z Comparing areas of plots of land Sal finds area of two rectangles to solve a word problem. Sal Khan video https://cdn.kastatic.org/googleusercontent/F20RAFOBCqYOgS1bKEAGZSeqbBOabpcAzSWGsSv5bYdDTBk4J9xb9mXzcQ838DJN5gSvb6kPzfkASAJD8cptdcY Comparing areas of plots of land Sal finds area of two rectangles to solve a word problem. https://cdn.kastatic.org/ka-youtube-converted/ArvnBba_ogI.mp4/ArvnBba_ogI.mp4 166 Problemas con áreas https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-area-and-the-distributive-property/v/area-of-rectangles-and-the-distributive-property 2021-06-30T20:49:31Z Area and the distributive property Sal uses the distributive property to find area of rectangles. Sal Khan video https://cdn.kastatic.org/googleusercontent/sDB-vo9XwodflLHYjzIRkVIMdOma3fxtpS4WfbSHW_-2BkCSDA3APjFa25pfKmYWXJR9SLkw14cJf3F1yQ-GKWKh Area and the distributive property Sal uses the distributive property to find area of rectangles. https://cdn.kastatic.org/ka-youtube-converted/Q3wfb0CPhIY.mp4/Q3wfb0CPhIY.mp4 229 Problemas con áreas https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-area-and-the-distributive-property/e/area-and-the-distributive-property 2025-06-12T03:35:40.78733836Z Represent area with the distributive property Use area models to represent the distributive property in finding area of rectangles. Lindsay Spears exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-decompose-figures-to-find-area/v/decomposing-shapes-to-find-area-grids-math-3rd-grade-khan-academy 2021-06-30T20:49:32Z Decomposing shapes to find area: grids Lindsay finds the area of an irregular shape by decomposing it into 2 rectangles.  Lindsay Spears video https://cdn.kastatic.org/googleusercontent/6xndWOGDi1PA8ywzMOhXKAYCtuOQSAZEZL88Z2tIlV82H1_r8TYwP4ZxLomCNVmHktCFJvGfsrkHOYOXclP0Yyw Decomposing shapes to find area: grids Lindsay finds the area of an irregular shape by decomposing it into 2 rectangles.  https://cdn.kastatic.org/ka-youtube-converted/oL9iF9Se6lc.mp4/oL9iF9Se6lc.mp4 171 Problemas con áreas https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-decompose-figures-to-find-area/e/decompose-figures-to-find-area-1 2026-04-08T00:16:02.937952483Z Understand decomposing figures to find area Practice decomposing figures into rectangles to find area. Some figures are on grids. Lindsay exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-decompose-figures-to-find-area/v/decomposing-shapes-to-find-area-add-math-3rd-grade-khan-academy 2023-04-27T21:01:13.279921809Z Decomposing shapes to find area: add Let's find the area of an irregular 10-sided shape by breaking it into smaller rectangles. We'll learn to decompose complex shapes, calculate the area of each rectangle, and combine those areas to find the total area, making the topic engaging and enjoyable. Lindsay Spears video https://cdn.kastatic.org/googleusercontent/m-kdfvmeSGRBSW2ORQ3w1EHZngH9ppYHLpy0Y4I7Bj7hKU9nedf_WlBx6Gg5Ql_lyq_JluDvQSX9uKqhBDmmsiUG Decomposing shapes to find area: add Let's find the area of an irregular 10-sided shape by breaking it into smaller rectangles. We'll learn to decompose complex shapes, calculate the area of each rectangle, and combine those areas to find the total area, making the topic engaging and enjoyable. https://cdn.kastatic.org/ka-youtube-converted/JTg8gyQ37pM.mp4/JTg8gyQ37pM.mp4 216 Problemas con áreas https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-decompose-figures-to-find-area/e/decompose-shapes-to-find-area 2026-04-07T23:17:37.123726494Z Decompose figures to find area Practice decomposing irregular shapes to find their area.   Lindsay Spears exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-decompose-figures-to-find-area/v/decomposing-shapes-to-find-area-subtract-math-3rd-grade-khan-academy 2021-06-30T20:49:36Z Decomposing shapes to find area: subtract Lindsay finds the area of an irregular shape by decomposing it into 2 rectangles and subtracting the area of the rectangles.  Lindsay Spears video https://cdn.kastatic.org/googleusercontent/Q2rRG_ybtBCxKcFkYKF3EowrhzUTAlZZcyBrApC3WvtFTOI0N10RONt5tM35NxXIG7v-eB2pVJyr7GdqEF8r9yRB Decomposing shapes to find area: subtract Lindsay finds the area of an irregular shape by decomposing it into 2 rectangles and subtracting the area of the rectangles.  https://cdn.kastatic.org/ka-youtube-converted/qS4stB9LfJA.mp4/qS4stB9LfJA.mp4 192 Problemas con áreas