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Rectangles with the Same Numerical Area and Perimeter
Is it possible for a rectangle to have the same area and perimeter? If you disregard units, it happens! In a challenging task, groups work to determine the rectangles that meet these criterion. The hope is that learners will naturally...
8th - 9th Math CCSS: Designed
Area and Perimeter of Rectangles: Lesson
Around and in—take a different look at rectangles. A portion of a basic geometry playlist discusses the area and perimeters of rectangles. Using the formulas, the presentation works perimeter and area examples with rectangles and squares.
3 mins 4th - 9th Math CCSS: Adaptable
Area and Perimeter of Rhombuses and Kites: Lesson
Flip the triangles up and create a parallelogram. Using the idea of transformations, the video develops the area formula for rhombi and kites. The segment of an extensive geometry playlist uses the formula to find the areas of different...
4 mins 6th - 10th Math CCSS: Adaptable
Find Perimeter and Area by Finding the Length of Sides by Comparing Coordinates
Using coordinates to draw a rectangle, help learners understand the relationship between the given order pairs used as the vertices and the length of its joining sides. This is the second video in a series of four using geometry to solve...
5 mins 5th - 7th Math CCSS: Designed
Polygons-Changing Area Versus Changing Perimeter
Investigate the area and perimeter of polygons in this geometry lesson. Young geometers use grid paper to draw a quadrilateral and calculate its area and perimeter. They also read The Greedy Triangle to identify the changing shape of...
5th - 8th Math CCSS: Designed