Curated OER
Areas by Dissection
In this areas by dissection worksheet, learners find the area of given composite figures. This three-page worksheet contains examples, explanations, and 16 problems. Answers are provided on page three.
Curated OER
Special Segments of Triangles Jigsaw Activity
Students identify the special segments of triangles, the median, angle bisector, altitude, and perpendicular bisectors.
Curated OER
30-60-90 Right Triangles in Cabri Jr.
Young mathematicians draw and label right triangles using Cabri Jr. technology. They create other special right triangles and identify the length of the hypotenuse and each leg. Students explore the ratios to determine how the hypotenuse...
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Napolean Triangle
Students investigate the Napoleon triangle theory. In this polygon lesson, students differentiate between the boundary points, interior and lattice point of a polygon. They apply concepts of equilateral triangles to solve problems.
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Magnetic Fields and Bermuda Triangles
Students map magnetic fields of a magnet using a compass and predict where fields cancel each other to create 'Bermuda Triangles'. In this magnetism lesson, students use a compass to map the magnetic field of a magnet. They explain how...
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Surface Area of Prisms
Students compute surface area and volume of prisms. In this surface area lesson, students find the surface area and volume of rectangular and triangular prisms. Independently, students use their computers to determine the volume,...
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Area and Perimeter of Compound Shapes
In this geometry activity, students find the area and perimeter of 6 different compound shapes containing squares, rectangles, triangles, and half circles.
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Finding Area of Similar Figures
Young scholars explore the concept of finding area of similar figures. In this finding area of similar figures lesson, students use pattern blocks to construct similar figures. Young scholars trace their construction and find the area....
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Area of 2D Shapes Homework
In this geometry worksheet, students solve the area of 2D shapes starting with squares, rectangles, parallelograms, triangles, rhombi, trapezoids, circles, and ending with area of shaded regions. There are 20 questions.
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Complex Area Problems
Students calculate the area of different polygons. In this geometry lesson, students find the area of complex polygons. They solve word problems using rates and distances.
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Finding Perimeter and Area
In this area and perimeter worksheet, students are given the equations to find the perimeter and area of objects. They practice finding the perimeter by measuring the sides of given objects and adding them together. They find the area of...
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Area and Perimeter of Polygons
In this geometry worksheet, 10th graders calculate the perimeter and area using the specific formula for that polygon. There are 5 questions with an answer key.
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Introductory to Area (Squares, Rectangles, and Triangles)
Students explore the concept of finding area. For this finding area lesson, students use knowledge of area of triangles to find area of squares and rectangles. Students find area of irregular figures by breaking the figure down into...
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Area and Perimeter of Figures
In this area and perimeter learning exercise, 10th graders solve 10 different problems that include various figures shown. First, they determine the area of triangles, parallelograms, and trapezoids in each box. Then, students determine...
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Triangle Explorer
Young scholars compute the area of triangles in a computer program. In this measurement lesson plan, students complete 5 easy, 5 medium, and 5 hard problems.
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The Centroid of a Triangle
Young scholars familiarize themselves with the construct and measure menus. They demonstrate how to use the Sketchpad Calculator. They draw a triangle and construct the centroid. They shade in each of the small triangles and measure the...
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Isosceles Triangle Theorem
In this geometry worksheet, students differentiate between isosceles and regular triangles. They calculate the area and perimeter of the triangle. There are eleven questions with an answer key.
Curated OER
Finding Area of Triangles
In this triangle worksheet, students find the area of a set of 4 triangles, writing their answer in a rectangle found beneath each. A reference web site is given for additional activities.
Math Mammoth
Area Problems
In this area worksheet, students solve eight area problems to solve involving triangles, quilts, and land plots. Students have to know area formulas for right triangles.
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Parallelograms and Triangles
In this parallelogram and triangle worksheet, students answer 10 word problems regarding the area and perimeter of triangles and the area of parallelograms.
Raytheon
Geometry: Perimeter and Area
In this geometry worksheet, young mathematicians apply the formulas for the area and perimeter of polygons and circles to solve a variety of skills practice and problem-solving questions.
Curated OER
Perimeter and Area
In this perimeter and area worksheet, 6th graders find the perimeter and area of different right triangles. Students complete 9 problems total.
![Perimeter and Area of Triangles [C] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217521/large/nzixnzgwlmpwzw.jpg?1414307429 "Perimeter and Area of Triangles [C] Worksheet")
Curated OER
Perimeter and Area of Triangles [C]
In this triangle worksheet, students find the perimeter and area for a set of 4 triangles. Answers and a link to additional worksheets are included.
![Perimeter and Area of Triangles [D] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217522/large/nzixnzgxlmpwzw.jpg?1414307429 "Perimeter and Area of Triangles [D] Worksheet")
Curated OER
Perimeter and Area of Triangles [D]
In this triangle activity, students find the perimeter and area for a set of 4 triangles. Answers and a link to additional worksheets are included.