Worksheet
Curated OER

Area and Perimeter of Trapezoids (A)

For Students 5th - 10th
In this area and perimeter instructional activity, students find the area and perimeter of trapezoids containing numbers with decimals. Students complete 6 problems.
Worksheet
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Surface Areas

For Students 6th - 8th
For this math worksheet, middle schoolers examine the measurements for the face of the triangle and trapezoid. Then they figure out the total surface area for each.
Worksheet
Curated OER

Area of Irregular Shapes

For Students 10th
For this irregular shapes worksheet, 10th graders solve 10 different problems that include determining the area of various irregular shapes as shown in each. First, they divide each figure into familiar shapes. Then, students determine...
Worksheet
Curated OER

Circumference and Area

For Students 6th - 8th
For this geometry worksheet, learners answer 10 questions regarding, circumference, area, time, calculating the radius if given a diameter, and polygon recognition.
Worksheet
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Area

For Students 10th
For this area worksheet, 10th graders solve 7 various types of problems by finding the area of various shapes in geometry. First, they determine what happens to the area and perimeter of a rectangle when the length and width are doubled....
Lesson Plan
Curated OER

Area, Perimeter Word Puzzle

For Teachers 9th - 10th
Students measure planes and solids. In this geometry instructional activity, students find the area and perimeter of different polygons.They complete a word puzzle to review their vocabulary words.
Lesson Plan
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Speedy Area

For Teachers 8th - 10th
Students calculate the speed, rate and distance. In this geometry lesson, students calculate the area and perimeter of polygons. They perform an activity with a CEENBoT and calculate the distance and speed.
Lesson Plan
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Effect on Surface Area and Volume

For Teachers 8th - 10th
Students identify the effect the change of dimensions causes for the volume and surface area. In this geometry lesson, students compare perimeter, area and volume as they play around with the dimensions of the polygons. They discuss...
Lesson Plan
Curated OER

Linking Length, Perimeter, Area, and Volume

For Teachers 6th - 8th
Students explore measurements of rectangles. In this measurement comparison lesson, students discover the length, width, perimeter, and area of two different rectangles. Students record their measurements on a chart to make comparisons.
Worksheet
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Area of Quadrilaterals

For Students 10th
In this area of quadrilaterals worksheet, 10th graders solve and complete 5 various types of problems. First, they solve each of the triangles shown and find the area of each triangle. Then, students prove that the sum of the squares of...
Worksheet
Curated OER

Geometry Practice: Loci and Transformations

For Students 9th - 12th
This resource guides young geometers to create new polygons from others of equal area, compare an image to its reflection and find errors, conduct repeated reflections, map translations, and determine center of rotation. No solutions are...
Lesson Plan
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Triangles

For Teachers 3rd - 5th
This unit enables scholars to apply the rule for area of a triangle (area equals half base times height). They practice multiplication and division strategies as they calculate areas.
Lesson Plan
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Measurement: Cylinders

For Teachers 8th - 10th
Math scholars observe and demonstrate how to calculate the surface area and volume of cylinders. They analyze pictures of various cylinders on a handout, solve problems on two worksheets independently, and discuss the answers to the...
Lesson Plan
Curated OER

Does Your Rectangle Have Guts?

For Teachers 3rd - 4th
Does it? Kids find the perimeter and area of different shapes to assess whether their rectangle has guts. In addition to finding the area of a rectangle, learners work to find the area of a trapezoid. All worksheets are included. 
Lesson Plan
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Which Chocolate Is The Biggest?

For Teachers 4th - 5th
Students investigate the concepts of area and perimeter with the use of chocolate bars. They calculate the perimeter and area of different size rectangle chocolate bars and record the statistics. Then students make a visual comparison...
Worksheet
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7th Grade Math Worksheet

For Students 7th
For this integers worksheet, 7th graders solve 10 different problems that include various types of integers and graphs. First, they determine the sum of 3 consecutive integers. Then, students find the ratio between 2 areas of similar...
Worksheet
Curated OER

Geometry Involving Figures - Week 12 (Ratio and Surface Area)

For Students 10th - 12th
In this ratio and surface area activity, students find the ratio of surface area of one figure to another. They determine the length of sides and angles through similar figures. Students use trigonometric ratios to find the length of...
Lesson Plan
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Area-Time to Get in Shape

For Teachers 9th - 10th
Students investigate the properties of triangles and parallelograms. In this geometry instructional activity, students calculate the formula used to find the are of a triangle and other polygons. They create a visual model to represent...
Worksheet
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Area of Squares and Rectangles

For Students 5th - 8th
In this math worksheet, students complete 16 problems where they find the area of squares and rectangles with whole and decimal numbers. This worksheet would be an excellent homework assignment.
Lesson Plan
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Area of Polygons

For Teachers 9th - 11th
In this geometry worksheet, students analyze the different properties of parallelograms related to their angles, sides and diagonals. There are 5 problems with an answer key.
Lesson Plan
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Areeas of Parallelograms and Triangles

For Teachers 12th
Twelfth graders are able to deduce the area of polygons by using several methods such as coordinate method. They are able to apply the area of polygons to real life situations. Students apply the Pythagorean Theorem in problem solving...
Lesson Plan
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Exploring Areas of Irregular Polygons

For Teachers 9th - 12th Standards
Young scholars solve for the area of different polygons. In this geometry lesson, students identify and differentiate between regular and irregular polygons. They use properties of irregular polygons to solve problems.
Lesson Plan
Improving Measurement and Geometry in Elementary Schools

The Sum of the Interior Angles of a Polygon

For Teachers 4th - 5th Standards
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this...
Lesson Plan
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Tantalizing Tangrams

For Teachers 2nd - 4th
Students explore "area."  In this tangram geometry and measurement activity, students arrange tangram pieces to find the area of characters presented in a story they listen to on a website.  Website information and related...