https://www.khanacademy.org/math/geometry-home/geometry-area-perimeter/geometry-perimeter/v/perimeter-and-area-basics 2023-05-12T21:01:01.897246564Z Perimeter & area Perimeter is the distance around the outside of a shape. For example, if you walk around the edge of a playground, you're measuring its perimeter. Area is the amount of space inside a shape. For example, if you want to put new tiles on your kitchen floor, you need to know the area of the room to know how many tiles to buy. Sal Khan video https://cdn.kastatic.org/googleusercontent/6PHejb3nLknlESjEf8yilpF588ztG96Md4U0G0F2kXYTFr7K_5SyjKX3almyy55tUq_uVPO_kJCJ4NRCR1Y_SIUy Perimeter & area Perimeter is the distance around the outside of a shape. For example, if you walk around the edge of a playground, you're measuring its perimeter. Area is the amount of space inside a shape. For example, if you want to put new tiles on your kitchen floor, you need to know the area of the room to know how many tiles to buy. https://cdn.kastatic.org/ka-youtube-converted/LoaBd-sPzkU.mp4/LoaBd-sPzkU.mp4 505 Area of shapes on grids https://www.khanacademy.org/math/geometry-home/geometry-area-perimeter/geometry-area-shapes-grids/v/area-of-triangle-in-grid 2021-02-16T16:08:13Z Area of a triangle on a grid Learn how to calculate the area of a triangle on a grid. Sal Khan video https://cdn.kastatic.org/googleusercontent/r5CdCWwIB9Iz6_k6TOITt11w8RkM6QVe6JG3aubCUFay_5I8tRCnNoOd0MCle2tRCsIYpjl14-qicduZTX0HZEQL Area of a triangle on a grid Learn how to calculate the area of a triangle on a grid. https://cdn.kastatic.org/ka-youtube-converted/ukPjc3Oyad4.mp4/ukPjc3Oyad4.mp4 417 Area of shapes on grids https://www.khanacademy.org/math/geometry-home/geometry-area-perimeter/geometry-area-shapes-grids/v/area-of-strange-quadrilateral 2021-02-16T16:08:13Z Area of a quadrilateral on a grid Learn to break up oddly shaped quadrilaterals into shapes where finding the area is more easily determined. Sal Khan video https://cdn.kastatic.org/googleusercontent/H3rkw6GA8F6BKxk2OuTDuaykGzTgRX4TJpPQ13WRI9D5L9Rt22TrsDDfe7hShwgxSGLeZ3mRgiGVI0hET4JHRlpwew Area of a quadrilateral on a grid Learn to break up oddly shaped quadrilaterals into shapes where finding the area is more easily determined. https://cdn.kastatic.org/ka-youtube-converted/gkifo46--JA.mp4/gkifo46--JA.mp4 234 Area of shapes on grids https://www.khanacademy.org/math/geometry-home/geometry-area-perimeter/geometry-area-shapes-grids/e/area-of-triangles-2 2026-04-07T23:36:17.218592739Z Areas of shapes on grids Practice finding the areas of triangles and quadrilaterals on grids. Rhonda Hughes exercise