Curated OER
Area Explorations
Students explore the area of rectangles. They practice finding area by playing an onliine computer activity where they calculate the area of a rectangle to solve a problem.
Curated OER
Introductory to Area (Squares, Rectangles, and Triangles)
Middle schoolers explore the concept of finding area. In this finding area lesson, students use knowledge of area of triangles to find area of squares and rectangles. Middle schoolers find area of irregular figures by breaking the...
Curated OER
Areas of States - Estimation
Students estimate the area of states using the formulas for the areas of rectangles, squares, and triangles. In this geometric shapes lesson plan, students divide irregular shaped states into shapes. They use the formulas for areas of...
Curated OER
Is There Mystery in Measurement?
Investigate perimeter and area of polygons! In this measurement lesson, learners use index cards to create rectangles and trace their hand to estimate its area and perimeter.
Curated OER
Area of Shapes
For this geometry worksheet, students find the area of squares, rectangles, and non traditional shapes. Students complete 5 problems on this worksheet.
Curated OER
Surface Area with Polydrons
Students explore measurements by analyzing geometric shapes. In this surface area instructional activity, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons....
Curated OER
Area
Students use different shapes that represent tangrams to determine the area of a space. In this area lesson plan, students trace shapes and have their partners determine the area of that shape.
Math eBook
Perimeter Worksheet
In this perimeter activity, learners find the perimeter of given regular and irregular polygons. This four-page activity contains 20 problems. This interactive activity may be completed online or printed for paper use.
Curated OER
Lesson 9-3 Practice B: Composite Figures
In this composite figures worksheet, students solve 11 short answer problems. Students find the area of figures composed of various polygons. Students find the area of each figure given a sketch of the figure with various measurements...
Noyce Foundation
Surrounded and Covered
What effect does changing the perimeter have on the area of a figure? The five problems in the resource explore this question at various grade levels. Elementary problems focus on the perimeter of rectangles and irregular figures with...
Utah Education Network (UEN)
If the Shape Fits
Geometers juggle the idea of polygons. Using a game and manipulatives, they make trapezoids and irregular polygons. They review the algorithms for finding the areas of squares and rectangles. On day one, they find the area of trapezoids,...
Curated OER
Measurement: Lesson 2
Fourth graders find the perimeter of a geometric shape by adding the lengths of the sides. They find the area of a square or rectangle by counting square units. Students use multiplication to find the area of a rectangle. They estimate...
Curated OER
The Value of Volume
Students measure the perimeter and area of their polygons. In this geometry lesson plan, students calculate the volume and area using the correct tools. They calculate the time and temperature and the perimeter and side lengths of...
Curated OER
Amazing Transpiration
Learners observe a leaf and discuss the way that water is released from a leaf through its stomata. For this water cycle lesson, young scholars calculate how much water leaves produce from a whole tree.
Balanced Assessment
Multi-Figures
Apply concepts of scale and ratio to determine relationships in irregular figures. Learners determine the ratio of the perimeters of two figures composed of rectangles and circles. After, they apply similar concepts to find the ratio of...
Curated OER
Area and Perimeter
Students participate in a hands-on activity that shows the independence of perimeter and area for simple irregular figures.
Curated OER
Unit Perimeters and Areas
Students use Geometers SketchPad to find the area and perimeter of several shapes. In this geometry lesson, students determine area of rectangles and progress through irregular polygons. None of the referenced worksheets are included...
Curated OER
Cut It Out
Sixth graders derive an original formula for calculating the area of an irregular figure.
Curated OER
Powerful Polygons
Students scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the "Math is Fun" web site. Students go outside...
Pennsylvania Department of Education
Multiplication Using Arrays
Explore the concept of multiplication by using arrays. Classmates use arrays to gain a better understanding of multiplication. They break arrays apart to model the distributive property of multiplication over addition. The relationship...
Pennsylvania Department of Education
A Geometric Scavenger Hunt
Fifth graders connect their knowledge of polygons and polyhedrons. In this geometric shapes instructional activity, 5th graders identify and classify two- and three-dimensional objects. Students construct a polyhedron out of polygons and...
Curated OER
Orbital path of Landsat
Students comprehend how Landsat satellites orbit teh Earth to produce images. They comprehend the elliptical path of satellites. Students recognize that a different orbital path is needed for different satellites to perform their tasks....
Curated OER
Line and Shading = Shape and Form
Students collect natural objects and draw these objects with and without shading.
Curated OER
Which container holds a larger amount of popcorn?
What does popcorn have to do with math? Seventh grade mathematicians are provided an opportunity to develop a conceptual understanding of the formula for volume and to use it as a tool to solve problems. The lesson begins with a...