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Lesson Plan
Curated OER

Isosceles Triangle Theorem

For Teachers 8th - 9th
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.
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Worksheet
Curated OER

Measurement

For Students 7th
In this measurement instructional activity, 7th graders solve 14 various types of problems that include completing a table with the base, height, and/or area of triangles and solving a number of word problems with measurement. They also...
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Lesson Plan
Illustrative Mathematics

Painting a Barn

For Teachers 5th - 7th Standards
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...
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Worksheet
Curated OER

Number Sense and Numeration: Square Roots

For Students 8th
In this square roots learning exercise, 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...
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Interactive
Curated OER

Surface Area of Prism

For Students 10th
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. 
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Worksheet
Curated OER

Finding Area of Triangles

For Students 5th - 6th
In this area of triangles worksheet, students calculate the area of 4 given triangles, writing total area beneath each. A reference web site is given for additional activities. 
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Worksheet
Curated OER

Area of Triangles

For Students 4th - 6th
For this area of triangles worksheet, students calculate area for a set of 4 triangles, writing total area beneath each. A reference web site is given for additional activities.
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Worksheet
Curated OER

Area of Triangles

For Students 5th - 6th
In this area of triangles worksheet, students calculate the area of 4 given triangles, writing the answers in rectangles beneath each. A reference web site is given for additional activities.
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Assessment
Inside Mathematics

Patterns in Prague

For Teachers 8th Standards
Designers in Prague are not diagonally challenged. The mini-assessment provides a complex pattern made from blocks. Individuals use the pattern to find the area and perimeter of the design. To find the perimeter, they use the Pythagorean...
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Assessment
Noyce Foundation

Pizza Crusts

For Teachers 6th Standards
Enough stuffed crust to go around. Pupils calculate the area and perimeter of a variety of pizza shapes, including rectangular and circular. Individuals design rectangular pizzas with a given area to maximize the amount of crust and do...
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Worksheet
Curated OER

The Area of a Triangle

For Students 5th - 6th
In this area of a triangle worksheet, students solve 30 problems in which the area of triangles are calculated. There is instruction on the page. This is intended for on-line use but can be done on paper.
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Worksheet
Curated OER

Area Review

For Students 9th - 10th
For this geometry worksheet, students calculate the area and different polygons such as squares, parallelogram, and rectangles. There are 15 questions with an answer key.
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Assessment
Inside Mathematics

Expressions

For Teachers 9th - 12th Standards
Strive to think outside of the quadrilateral parallelogram. Worksheet includes two problems applying prior knowledge of area and perimeter to parallelograms and trapezoids. The focus is on finding and utilizing the proper formula and...
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Assessment
Noyce Foundation

Lawn Mowing

For Teachers 6th - 7th Standards
This is how long we mow the lawn together. The assessment requires the class to work with combining ratios and proportional reasoning. Pupils determine the unit rate of mowers and calculate the time required to mow a lawn if they work...
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Assessment
Bowland

Bunting

For Students 6th - 8th
How much fabric is necessary for bunting? Scholars use given dimensions of triangular bunting (hanging decorations) to determine the amount of fabric necessary to decorate a rectangular garden. The task requires pupils to consider how...
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Worksheet
Curated OER

Area, Perimeter and Volume

For Students 7th - 8th
In this area, perimeter and volume worksheet, students solve and complete 12 various types of problems. First, they calculate the value for each variable in the triangle shown. Then, students find the distance of the ladder against a...
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Worksheet
Curated OER

Chapter 6: Geometry Perimeter and Area

For Students 10th - 12th
In this perimeter and area worksheet, students find the perimeter of various polygons.  They compute the perimeter, surface area, circumference, and volume of given figures.  Students explore trigonometric ratios.  This twelve-page...
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Worksheet
Curated OER

Year 10 Mathematics Triangle Test

For Students 11th - Higher Ed
In this math activity, students find the solutions to the missing angles and sides of the triangles using the correct trigonometric ratios.
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Lesson Plan
Curated OER

Area and Perimeter Problem Solving Retest

For Teachers 5th - 6th
In this math worksheet, learners solve 6 story problems in which area or perimeter is calculated. These are construction related problems that students must solve and indicate if area or perimeter is used. The meaning of the title is...
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Worksheet
Curated OER

Four Calculus Derivative, Extrema, and Maximize Area Problems

For Students 11th - Higher Ed
In this calculus review worksheet, students find derivatives, calculate extrema on an interval, and maximize area. Students should be familiar with the derivatives of trigonometric functions.
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Interactive
Curated OER

Mixed Right Triangles

For Students 10th
For this geometry worksheet, 10th graders use right triangle trigonometry to find the missing angle measure or side length in right triangles. The one page interactive worksheet contains ten questions. Answers and hints are included. 
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Worksheet
Curated OER

Area Calculations

For Students 5th - 6th
In this area calculation learning exercise, students calculate the area of triangles, find the length of 'x' and calculate the length of a given 'x'. A reference web site is given for additional activities.
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Lesson Plan
1
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Virginia Department of Education

Geometry and Volume

For Teachers 7th - 12th Standards
The history of math is fascinating! Utilize a woodcut primary source image from 1492 and posters from the 1930s to help geometers apply their volume-calculation skills to real-life questions. 
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Assessment
Mathed Up!

Similar Shapes

For Students 8th - 11th Standards
Similar shapes are all about the scale. Given seven problems, pupils use scale factors to determine measurements within similar shapes. While solving the problem, scholars also determine whether two figures are similar and use area and...