Moving On: Octagoning the Circle
Young scholars explore circles through the use of octagons. They inscribe a circle in a regular octagon and find the area and perimeter of the hexagon with respect to the radius of the circle. Students present their findings to the class.
3rd - 8th Math 3 Views 0 Downloads
Areas of Geometric Shapes with the Same Perimeter
A triangle, square, hexagon, and circle all have a perimeter of one unit. Eighth graders must attempt to find the area of each and arrange them in order from least to greatest areas. A terrific task for applying four different area...
7th - 9th Math CCSS: Designed
A Five Day Approach to Using Technology and Manipulatives to Explore Area and Perimeter
Young mathematicians build an understanding of area and perimeter with their own two hands in a series of interactive geometry lessons. Through the use of different math manipulatives, children investigate the properties of rectangles,...
3rd - 6th Math CCSS: Adaptable
Calculating Perimeter and Area using Architectural Drawings
Take young mathematicians' understanding of geometry into the real world with this upper-elementary math lesson. Given the floor plans of a historic building in Tennessee, learners are asked to calculate its area and perimeter as...
4th - 6th Math CCSS: Adaptable
Find the Area of Polygons with More than 4 Sides
Strange and unique shapes are found everywhere in the world around us. The final video in this series teaches young learners to break complex shapes into rectangles when finding their area. This process is clearly modeled as the...
5 mins 2nd - 4th Math CCSS: Designed
Find the Area of a Rectangle by Counting Unit Squares
Take the first step in teaching young mathematicians about area with the initial video in this five-part series. Beginning with a review of area and key terms related to area measurement, the instructor goes on to clearly model how to...
8 mins 2nd - 4th Math CCSS: Designed
Find the Area of a Polygon Using Multiplication
Use prior experience with the array model of multiplication to teach young mathematicians how to find the area of rectangles in the first video of this four-part series. Multiple examples are presented that clearly demonstrate this...
3 mins 2nd - 4th Math CCSS: Designed
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