Curated OER
Angles in Polygons
For this geometry worksheet, 10th graders solve problems involving quadrilaterals using the angle sum of quadrilaterals. They solve for linear pairs, opposite angle theorem and triangular angles. There are 5 questions.
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Area of 2D Shapes Multiple Choice
In this area learning exercise, students compute the area of circles, parallelograms and rectangles. This one-page learning exercise contains 5 multiple-choice problems. Answers are provided in this online learning exercise.
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Rotational Symmetry
In this rotational symmetry worksheet, 10th graders identify and compare 10 different figures illustrated on the sheet. They write the order of rotational symmetry seen in each figure as compared to the others. They also define an object...
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Parallel and Perpendicular Lines
Learners study parallel and perpendicular lines. In this parallel and perpendicular lesson, pupils explore 2-D shapes and determine if the sides are parallel or perpendicular.
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Shape Muddle
An engaging presentation is designed for young geometers. Pictures of basic shapes that are mislabeled, and learners must come up the correct name for each of the shapes. Simple, yet effective!
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How is our place connected to other places?
Second graders conduct a survey, they record their data with the help of maps. They use an aerial photo or Ordnance Survey map, 2nd graders pinpoint specific places and add them to a legend using the drawing tools. Students use...
Curated OER
Geometry: Lesson 2
Eighth graders engage in a lesson that is concerned with examining two dimensional figures with different properties that include circles, triangles, queadrilaterals, etc... They identify the types of figures that is identified as polygons.
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2D Shapes (1)
In this shape recognition instructional activity, students study each of the shapes and then write the names of the two-dimensional polygons on the lines.
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Geometric Shapes: Review of 2D and 3D Figures
In this geometric shapes worksheet, students identify 4 drawings as polygons or not, 1 drawing as regular or not and then write the name of 3 solid figures.
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Robot Area
Students calculate the area of different polygons. In this geometry lesson, students explore polygons based in their shape and number of sides. They find the formula for the area and use each specific formula for each shape.
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Area is Always Flat, But It's Not Always Regular
Learners calculate the area of regular and irregular polygons by counting the number of whole an half squares within the polygon. They determine the formula for regular polygons and label the area in square units.
Curated OER
Problem Solving 2: Tessellations
In this tessellations worksheet, students identify shapes such as hexagons, octagons and other regular polygons and determine if the shapes will tessellate. They explore why some regular polygons tessellate while others do not. This...
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Classifying Transformations
Students analyze different polygons by shapes and sides. In this geometry activity, students differentiate between similar and congruent polygons. They name the different polygons based on the number of sides.
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Hexagon Island
Students identify different polygons. In this geometry lesson, students name polygons using the number of sides. They calculate distance and slopes using the correct formula.
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Tiling with Pentominoes
In this tiling with pentominoes activity, 10th graders solve 3 different problems related to tiling with pentominoes. First, they define pentomino as a type of polygon and locate 10 other pentomino shapes in the figure shown at the top....
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Rhombi and Squares Multiple Choice
In this geometry worksheet, students identify the missing parts of polygons. They use algebra to solve the equations using the rules of polygons. There are 5 questions with an answer key.
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Analyzing Body Angles
Students investigate angles of polygons. In this geometry lesson, students identify the relationship between angles and the number of sides in a polygon. They differentiate between sumilarity anf congruence in angles and sides.
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Exploring Similar Polygons
In this exploring similar polygons activity, 10th graders solve 9 various types of problems related to determining whether each polygon is similar or not. First, they write 3 equal ratios to show corresponding sides are proportional to...
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Geometric Shapes and Angles
In this geometry worksheet, 10th graders review polygons and solve for the missing angles of trapezoids and isosceles triangles. There are 10 questions on this worksheet with an answer key.
Mt. San Antonio Collage
Properties of a Parallelogram
More than just a worksheet, the resource provides a thorough guide to navigate through the land of parallelograms. Filled with definitions and theorems, the resource supports learners through problems such as proofs and finding missing...
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Area of Polygons
For this geometry worksheet, students solve for the area of a triangles given the base and the height. There are 6 questions with an answer key.
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Polygons
In this geometry worksheet, students use Kruskal's algorithm to analyze and solve shapes as it relates to cost. There are 4 questions with an answer key.
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Family Letter
Middle schoolers, working with their parents, calculate and complete five word problems associated with multiplying and dividing decimals. Learners research the current Federal minimum wage at the library or on the Internet.
Illustrative Mathematics
Area of a Trapezoid
Here is a straightforward example of how to apply the Pythagorean Theorem to find an unknown side-length of a trapezoid. Commentary gives additional information on proving that the inside of the trapezoid is a rectangle, but is...
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