Curated OER
Box It Up
Students calculate the surface area of prisms. For this geometry lesson, students investigate the properties of prisms and analyze ways to calculate the are of a rectangular prism. They derive the formula for surface area.
Curated OER
Area-Time to Get in Shape
Students investigate the properties of triangles and parallelograms. In this geometry lesson, students calculate the formula used to find the are of a triangle and other polygons. They create a visual model to represent their findings.
Shodor Education Foundation
Surface Area of Rectangular Prism
With this interactive lesson, learners compute the surface area of rectangular prisms. They visit an online investigation applet and record data on the provided handout. Pair this lesson with the volume lesson by the same publisher as an...
Curated OER
Tricky Traps
Learners create identify properties of trapezoids. In this geometry activity, students calculate the area of given trapezoids and review the area formula for parallelograms. They draw a correlation between the area of a trapezoid and...
PBS
Surface Area and Volume
You and your class will like this lesson on using visual models to relate the volume and surface area of solid shapes. Learners construct three-dimensional forms using nets. They calculate the surface area and volume for each and then...
Curated OER
Volume, Surface Area for Cylinders
Seventh graders explore the concept of volume and surface area of cylinders. In this volume and surface area of cylinders lesson, 7th graders break cylinders into their base shapes of a circle and a rectangle. Students discover that...
Mrs. Burke's Math Page
The Amazing Pi Race
Add a sense of excitement to your math class with this race across the country. Using their knowledge of all things circular, young mathematicians work in pairs answering a series of pi-related word problems as they hop from one city to...
Curated OER
Finite Geometry
Students solve for the area and perimeter of polygons. In this geometry lesson, students identify repeated patterns and create formula to solve problems. They make conjectures and prove hypotheses.
Curated OER
Area of Trapezoids (5)
In this geometry worksheet, students solve 6 problems in which the area of a trapezoid is calculated. There are no examples and no formula is provided.
![Area of Parallelograms [2] Worksheet](http://content.lessonplanet.com/resources/thumbnails/210352/large/cgrmlwnvbnzlcnqymdezmdmzmc0xotkzmy1lmtu1bhyuanbn.jpg?1414302217 "Area of Parallelograms [2] Worksheet")
Curated OER
Area of Parallelograms [2]
In this area of parallelograms worksheet, learners solve for the area of 6 parallelograms. Answers are included on page 2. No review of formula is given on worksheet.
![Area of Trapezoids [2] Worksheet](http://content.lessonplanet.com/resources/thumbnails/210353/large/cgrmlwnvbnzlcnqymdezmdmzmc0ynzc5ns0xyzv4zzfwlmpwzw.jpg?1414302217 "Area of Trapezoids [2] Worksheet")
Curated OER
Area of Trapezoids [2]
In this area of trapezoids worksheet, students solve for the area of 6 trapezoids. Answers included on page 2, no review of formula on worksheet.
![Area of Trapezoids [3] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217009/large/cgrmlwnvbnzlcnqymdezmdmzms0yoti2ny1onwnubdcuanbn.jpg?1414307049 "Area of Trapezoids [3] Worksheet")
Curated OER
Area of Trapezoids [3]
In this trapezoid activity, students find the area of 6 trapezoids, no review problems or formula is provided. Answers are included on page 2.
![Area of Trapezoids [4] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217011/large/cgrmlwnvbnzlcnqymdezmdmzms0xmziwmi0xnjztcjrilmpwzw.jpg?1414307050 "Area of Trapezoids [4] Worksheet")
Curated OER
Area of Trapezoids [4]
In this trapezoid worksheet, students find the area of 6 trapezoids, no review problems or formula is provided. Answers are included on page 2.
Curated OER
Pooling Around
Learners complete a unit of lessons on computing area and volume. They play a Jeopardy game of basic area formulas, calculate surface area of shapes, develop a Powerpoint presentation, and conduct a simulation of finding the surface area...
Curated OER
Triangular Prisms: Surface Area and Volume
In this surface area and volume learning exercise, middle schoolers find each for a set of 6 triangular prisms. An answer key and web site reference for additional resources are given.
![Triangular Prisms: Surface Area and Volume [F] Worksheet](http://content.lessonplanet.com/resources/thumbnails/284431/large/odc2nzc4lmpwzw.jpg?1414480027 "Triangular Prisms: Surface Area and Volume [F] Worksheet")
Curated OER
Triangular Prisms: Surface Area and Volume [F]
In this surface area and volume worksheet, students find each for a set of 6 triangular prisms. An answer key is included on page 2.
Curated OER
Side Length, Perimeter, and Area of a Rectangle
Students calculate area, perimeter and length of rectangles. In this geometry instructional activity, students create different formulas for the problem they are being asked to solve. They use the navigator to move the shape around and...
Curated OER
Using Cabri Geometry to Create Fractals
Learners construct the Sierpinski Triangle using Cabri Jr. They use a step-by-step guide to construct the Sierpinski Triangle on their graphing calculator and then discuss the formula for constructing a nth stage Sierpinski Triangle.
Curated OER
Area and Perimeter Review
Students calculate the area and perimeter of different shapes. In this geometry lesson, students name the different polygons based on their number of sides. They use the correct formula for each shape to calculate the area and perimeter.
EngageNY
Ptolemy's Theorem
Everyone's heard of Pythagoras, but who's Ptolemy? Learners test Ptolemy's Theorem using a specific cyclic quadrilateral and a ruler in the 22nd installment of a 23-part module. They then work through a proof of the theorem.
EngageNY
The Volume of Prisms and Cylinders and Cavalieri’s Principle
Young mathematicians examine area of different figures with the same cross-sectional lengths and work up to volumes of 3D figures with the same cross-sectional areas. The instruction and the exercises stress that the two...
Curated OER
Unit Squares and Triangles
This is an interesting geometry problem. Given the figure, find the area of a triangle that is created by the intersecting lines. The solution requires one to use what he/she knows about coordinate geometry, as well as triangle...
Curated OER
Volume of Solids
In this volume of solids worksheet, tenth graders solve and complete 20 various types of problems. First, they write the formula needed to find the volume of each solid. Then, pupils use the Pythagorean theorem to find the measure of the...
Illustrative Mathematics
Hexagonal Pattern of Beehives
Young geometers and biologists investigate the math of nature in an activity that is just the bee's knees. Participants will study the tessellations of hexagons in a beehive, along with the natural rationale behind the specific shape....