Areas of Polygons, Triangles, and Trapezoids
In this area worksheet, students find the area of 10 polygons including estimating the area. Students find the area of 6 triangles and trapezoids followed by 2 area word problems.
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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
Evaluating Statements About Length and Area
Class members complete an assessment task by identifying whether statements about triangles and quadrilaterals are always true, sometimes true, or never true. They then participate in a sorting activity with the same objective.
9th - 12th Math CCSS: Designed
Using Linear Equations to Define Geometric Solids
Making the transition from two-dimensional shapes to three-dimensional solids can be difficult for many geometry students. This comprehensive Common Core lesson plan starts with writing and graphing linear equations to define a bounded...
9th - 11th Math CCSS: Designed
Find the Area of Polygons by Decomposing into Triangles, Rectangles, Parallelograms, and Trapezoids
Take a multi-sided figure, such as a pentagon, and break it into smaller shapes to calculate the area. The video demonstrates this idea visually by breaking figures into small pieces and calculating each area. Also included, is a review...
6 mins 5th - 7th Math CCSS: Designed