https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-area-circ-challenge/v/area-of-shaded-region 2020-09-16T18:09:55Z Area of a shaded region Here's a fun one: find the area of a shaded region where you first determine the area of a square and then the area of a circle. Sal Khan video https://cdn.kastatic.org/googleusercontent/ewA_GfGHFeHuh06YBoJCmdRj28PUnKIDRUCQjYZ22RvnNyhy2VgbJtg0HZn9btBBWDSibObwz9nJlscnpVnv8lmfiw Area of a shaded region Here's a fun one: find the area of a shaded region where you first determine the area of a square and then the area of a circle. https://cdn.kastatic.org/ka-youtube-converted/gbGghzo7yEM.mp4/gbGghzo7yEM.mp4 91 Perimeter and area https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-area-circ-challenge/e/shaded_areas 2026-03-26T05:20:35.16058035Z Shaded areas Find the areas of shaded regions which are combinations of rectangles and circles.  Omar Rizwan exercise https://www.khanacademy.org/math/cc-third-grade-math/3rd-perimeter/imp-perimeter-word-problems/v/perimeter-word-problem-skating-rink-math-3rd-grade-khan-academy 2021-06-30T20:49:26Z Perimeter word problem: skating rink Solve a word problem involving perimeter of a rectangle. Lindsay Spears video https://cdn.kastatic.org/googleusercontent/2ZPp0Kt49vn7DIZ1EBOubhtm7IZgXStzxbyucM1L1eoVawVHAVZmsYuBlD9XyNXmpMG23C9SCeWupH1rLm6njuw Perimeter word problem: skating rink Solve a word problem involving perimeter of a rectangle. https://cdn.kastatic.org/ka-youtube-converted/dNBNepJ_Ut8.mp4/dNBNepJ_Ut8.mp4 148 Perimeter and area https://www.khanacademy.org/math/cc-third-grade-math/3rd-perimeter/imp-perimeter-word-problems/v/perimeter-word-problem-tables-math-3rd-grade-khan-academy 2021-06-30T20:49:33Z Perimeter word problem: tables Lindsay solves a perimeter word problem that involves combining two perimeters. Lindsay Spears video https://cdn.kastatic.org/googleusercontent/uEaK6n3-ALTgBEux8Zxq48V8YA4LMssvDeEA7pAAxhMyEZ5BWfxHSFH-wDSn5LXWlqZHsCO_M0G_lRdP5-RcpQM27g Perimeter word problem: tables Lindsay solves a perimeter word problem that involves combining two perimeters. https://cdn.kastatic.org/ka-youtube-converted/Wz8grvnFDHM.mp4/Wz8grvnFDHM.mp4 240 Perimeter and area https://www.khanacademy.org/math/cc-third-grade-math/3rd-perimeter/imp-perimeter-word-problems/e/perimeter-word-problems 2026-04-08T00:16:02.937952483Z Perimeter word problems Practice solving real world word problems involving perimeter. Lindsay exercise https://www.khanacademy.org/math/mappers/measurement-and-data-192-202/x261c2cc7:decompose-figures-to-find-area/v/calculating-the-square-footage-of-a-house 2020-12-14T20:07:55Z Area word problem: house size Sal decomposes an irregular shape to find area of entire figure. Sal Khan video https://cdn.kastatic.org/googleusercontent/cTAK_5GsMGF0DTYPfRKL4lKTG6lSQrlUjDBPq2zgop9QXZNsxG9g6HsSmRIBTMCesm6848s0zyIloVcf6SkMZyXt Area word problem: house size Sal decomposes an irregular shape to find area of entire figure. https://cdn.kastatic.org/ka-youtube-converted/xo4VpX2IIMk.mp4/xo4VpX2IIMk.mp4 364 Perimeter and area https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:perimeter-and-area/x04ca845a9a148c80:area-word-problems/e/area-world-problems 2026-04-07T23:17:37.123726494Z Area word problems Let's solve a few real-world problems involving areas of rectangles. Aanand exercise https://www.khanacademy.org/math/cc-sixth-grade-math/x0267d782:cc-6th-plane-figures/cc-6th-area/v/area-breaking-up-shape 2022-11-16T04:22:43.7414897Z Area of composite shapes We can sometimes calculate the area of a complex shape by dividing it into smaller, more manageable parts. In this example, we can determine the area of two triangles, a rectangle, and a trapezoid, and then add up the areas of the four shapes to get the total area. Sal Khan video https://cdn.kastatic.org/googleusercontent/yOLp742TUQZQUltkfNcy9ijXlddMEggpZACGkeyAjMydlk0PNASnOP7pFtrl2KSM8DwYMgvG2jCrFUEVUGViOS7x Area of composite shapes We can sometimes calculate the area of a complex shape by dividing it into smaller, more manageable parts. In this example, we can determine the area of two triangles, a rectangle, and a trapezoid, and then add up the areas of the four shapes to get the total area. https://cdn.kastatic.org/ka-youtube-converted/loAA3TCNAvU.mp4/loAA3TCNAvU.mp4 315 Perimeter and area https://www.khanacademy.org/math/cc-sixth-grade-math/x0267d782:cc-6th-plane-figures/cc-6th-area/e/area-of-quadrilaterals-and-polygons 2025-02-06T19:34:52.815179935Z Area of composite shapes Practice finding the areas of complex shapes that are composed of smaller shapes. Chanda Stanaland Johnson exercise https://www.khanacademy.org/math/cc-fourth-grade-math/area-perimeter/imp-area-and-perimeter/v/length-and-width-from-perimeter-and-area 2021-06-30T20:49:36Z Area & perimeter word problem: table Sal solves for the dimension of a table. Sal Khan video https://cdn.kastatic.org/googleusercontent/bUWwgdmepYyUJPXGd5_FtUnPDqyK1jQB6JH5S3tR9HVI7o57ugNPYTI2gG2Adq6l8a5vyF2RcTPhHka_t7bcppvh Area & perimeter word problem: table Sal solves for the dimension of a table. https://cdn.kastatic.org/ka-youtube-converted/-J-6VGxld54.mp4/-J-6VGxld54.mp4 286 Perimeter and area https://www.khanacademy.org/math/cc-third-grade-math/3rd-perimeter/imp-comparing-area-and-perimeter/e/area-perimeter-word-problems 2026-04-30T18:30:41.846286703Z Area and perimeter word problems Solve 1- and 2-step word problems involving area of rectangles and perimeter of polygons. Lindsay exercise