Curated OER
Area of Triangles
In this geometry worksheet, 10th graders calculate the area of right triangles using the Pythagorean Theorem combined with the area formula. There are 14 questions with an answer key.
Curated OER
Calculating the Area of a Triangle
A quick definition and the formula for finding the area of a triangle is provided at the top of this worksheet. After reading the description, 5th graders must find the area of the 3 given triangles. This is an excellent enrichment...
Curated OER
Circles: Geometry Review Worksheet
Tenth graders solve and complete 14 different geometry problems. First, they find the area and circumference of a circle with a given radius. Then, they find the area between a circle and an inscribed equilateral triangle given the...
Curated OER
Picking Patterns
In this pattern worksheet, students enumerate the number of objects that comes next in the sequence including triangles, blocks, and circles. There are 6 questions.
Concord Consortium
Rectangulating
Use rectangles to find distances. Given a rectangle and three associated triangles, pupils determine the area of the triangles. Scholars know the three triangles have equal areas along with the perimeter of the rectangle and two other...
Curated OER
Pythagorean Theorem
In this pythagorean theorem worksheet, students identify the missing length of one side for 10 triangles. Each triangle gives the lengths of two sides and students must find the length of the third.
Illustrative Mathematics
Painting a Barn
When painting a barn you have to calculate surface area, and that is exactly what this resource is about. Not only will your future home owners calculate the surface area, but also the cost. It is a real-life problem that every that...
CPM
Cones and Spheres
Geometry whizzes solve and complete 24 different problems that include determining the volume and surface area of spheres and cones. First, they use the given information to determine the volume of a cone. Then, pupils use the given...
![Area and Perimeter-Triangles [A] Worksheet](http://content.lessonplanet.com/resources/thumbnails/284402/large/odc2nzqylmpwzw.jpg?1414480013 "Area and Perimeter-Triangles [A] Worksheet")
Curated OER
Area and Perimeter-Triangles [A]
In this area and perimeter learning exercise, students find the area/perimeter for a set of 4 triangles. An answer key is included on page 2.
Concord Consortium
Three Rubber Bands
Stretch your mind about triangles. Given a triangle, scholars consider a smaller triangle formed when they stretch three rubber bands from each vertex to the opposite side. They determine the ratios of the areas and perimeters of the...
Curated OER
Area of Polygons
In this geometry worksheet, learners solve for the area of a triangles given the base and the height. There are 6 questions with an answer key.
Curated OER
Surface Area of Prism
Tenth graders are provided instructions, including a video, on calculating the surface area of a prism. The one-page interactive worksheet contains two worked questions. Answers are included.
Curated OER
Triangle Problems - Find the Height given the Area
In this online math worksheet, students find the height of 5 triangles given their area. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
Curated OER
Perimeter and Area
For this perimeter and area worksheet, students find area and perimeter for a set of 9 triangles. A website reference is given for additional resources.
Balanced Assessment
Refiguring Pythagoras
Why was Pythagoras so obsessed with squares? The assessment task posits the question of whether the geometric interpretation of the Pythagorean Theorem holds for figures other than squares. Scholars first consider the case of semicircles...
EngageNY
End-of-Module Assessment Task: Grade 7 Mathematics Module 6
Determine the level of understanding within your classes using a summative assessment. As the final lesson in a 29-part module, the goal is to assess the topics addressed during the unit. Concepts range from linear angle relationships,...
Curated OER
Number Sense and Numeration: Square Roots
In this square roots activity, 8th graders solve 14 different types of problems to include determining the square root of a number of problems, determining the area of a rectangle and the length of a side of a square with the same...
Bethel School District
Health Triangle Self Assessment
Measure health as a triangle, with each side representing different aspects of health: physical, emotional/mental, and social. High schoolers complete a self-assessment of their health in all three areas before scoring their progress and...
Curated OER
Area Review
In this geometry worksheet, students calculate the area and different polygons such as squares, parallelogram, and rectangles. There are 15 questions with an answer key.
Math Mammoth
Applications of Quadratic Equations
For this math activity, students find the areas of a triangle, rectangular box, and the irregular shape. They take a portion of the area away from the source block.
Math Mammoth
Geometry Problems
In this math worksheet, middle schoolers find the area of the triangles, the perimeter of the irregular shape, and the diagonal of the cube.
Curated OER
Area of Shaded Region (rectangles and triangles)
In this online math activity, students determine the area of shaded regions within rectangles and triangles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Curated OER
A Trying Triangle Problem
In this geometry worksheet, students calculate the length of the sides of a given triangle. They also find the perimeter and area of the triangles given its side values. There is an answer key with this problem.
Curated OER
Chapter 12 Worksheet Homework: Area & Volume
In this area and volume worksheet, students find the lateral area, total area, and volume of given prisms. This two-page worksheet contains six multi-step problems. Answers to each problem are provided on page two.
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