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Worksheet
Curated OER

Constructions and Loci

For Students 9th - 10th
In this geometry worksheet, students construct polygons and calculate the different angles formed by each shape. They construct circles, trapezoids, and rectangles and answer 20 questions.
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Interactive
Curated OER

The Pythagorean Theorem

For Students 10th
In this geometry worksheet, 10th graders answer questions about right triangles by identifying the 3 sides of the triangle. They analyze the different shapes of polygons and relate them to right triangles to find the sides using the...
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Worksheet
Curated OER

New York State Testing Program

For Students 7th - 10th
In this math learning exercise, students review concepts in algebra and geometry in preparation for the State Exam. They review slopes and functions, area and perimeter. There are 27 questions.
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Worksheet
Curated OER

New York State Mathematics Exam

For Students 8th - 9th
In this math worksheet, students review for the exam given by the state of New York. There are 16 pages and 27 questions in this booklet covering topics from algebra, geometry and statistics.
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Worksheet
Curated OER

Finding Perimeter and Area

For Students 5th - 8th
In this area and perimeter learning exercise, 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...
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Lesson Plan
Curated OER

Up, Up and Away

For Teachers 10th
Tenth graders experiment with gravity and air pressure. In this geometry lesson, 10th graders build their own kits and fly it. They investigate the questions: what keeps a kite in the air and what are some important factors when flying a...
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Lesson Plan
Curated OER

Areas of Polygons

For Teachers 8th - 10th
Students calculate the are of regular polygons. For this geometry lesson, students create polygons on the computer and move it around to create different shapes. They explore the area of different polygons and how they inter-relate.
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Lesson Plan
Curated OER

SAS Similarity Theorem

For Teachers 9th - 10th
Students identify and use the similarity theorem. In this geometry lesson, students differentiate between congruent and similar triangles. They solve problems using the computer modifying shapes by dragging.
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Lesson Plan
Curated OER

Constructing Triangles

For Teachers 9th - 10th
Young scholars construct triangles. In this geometry lesson, students create equilateral triangles. They also construct triangles where the sides are different. They use the lab to create and move shapes around with the Cabri program.
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Lesson Plan
Curated OER

Pick's Theorem

For Teachers 9th - 10th
Pupils investigate Pick's theorem by completing a lab. In this geometry lesson, students construct polygons using cabri software. They calculate the area of polygons and identify the vertices of each shape.
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Worksheet
Curated OER

Transformations

For Students 10th
In this geometry worksheet students rotate, reflect, and translate geometric shapes. The four page worksheet contains seventeen problems  Solutions are not provided. 
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Lesson Plan
Curated OER

Color Me Square

For Teachers 2nd
Second graders identify and describe basic geometric solids. Working as a class, 2nd graders describe geometric solids using the proper vocabulary and counting faces, bases, corners, and edges. In pairs, students use a computer drawing...
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Worksheet
Curated OER

Regular or Irregular? Polygons

For Students 4th - 6th
In this polygon worksheet, students determine whether a set of given polygons are irregular or regular. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Solids...Volume and Surface Area

For Teachers 5th - 10th
In this volume and surface area worksheet, students find the volume and surface area of different solid figures. Students complete 8 problems.
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Assessment
Inside Mathematics

Hexagons

For Teachers 9th - 12th Standards
Scholars find a pattern from a geometric sequence and write the formula for extending it. The worksheet includes a table to complete plus four analysis questions. It concludes with instructional implications for the teacher.
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Lesson Plan
Willow Tree

Perimeter of Common Geometric Figures

For Students 8th - 11th Standards
Help learners understand that perimeter and circumference are one in the same. Learners apply their skills to determine the perimeter/circumference of triangles, rectangles, and circles. They then use the same strategy to find the...
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Interactive
Curated OER

Online Interactive Math: Upper Elementary: Mixed Skills

For Students 6th - 7th
In this online math worksheet, students complete a 20 problem multiple choice online interactive worksheet with mixed skills including geometry, rounding, and three digit multiplication.
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Lesson Plan
Curated OER

Cones, Cylinders, Spheres

For Teachers 9th - 11th
Students classify polygons by name and shape. In this geometry lesson, students identify the lateral surface of each conic. They differentiate between cones, cylinders and spheres.
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Lesson Plan
Curated OER

Sketching Spheres

For Teachers 8th - 10th
Students investigate spheres through sketches. In this geometry lesson, students sketch two and three dimensional shapes creating nets. They find and differentiate between the nets for prisms, pyramids, cones, cylinders and spheres.
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Lesson Plan
Curated OER

Geography: Lengths, Perimeter, and Area of Similar Objects

For Teachers 6th
Sixth graders explore characteristics of similar objects. Using attribute blocks, they explore the ratios of the perimeter, area and side length in similar shapes. They calculate and compare the area of shapes.
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Lesson Plan
Curated OER

Plane and Solid Figures

For Teachers 9th - 11th
Students define a plane and a solid shape. In this geometry lesson plan, students compare and contrast different geometric shapes as they relate to solids. They name the geometric solids based on their sides and edges.
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Worksheet
Curated OER

Area and Periemeter

For Students 10th
In this geometry learning exercise, 10th graders determine the area and perimeters of various quadrilaterals and triangles.  The one page learning exercise contains ten problems.  Answers are not provided. 
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Lesson Plan
Curated OER

Soaring Towers

For Teachers K - 6th
Students build towers from recycled materials. in this building lesson, students build the highest tower they can from varied materials. They focus on shapes and which items should go on the bottom to make a strong base. 
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Worksheet
Curated OER

Net of a figure

For Students 4th - 6th
In this 3D figure worksheet, students observe the net of a 3D figure where you open up the figure and tell if it is an accurate representation of that figure. Students complete this for 3 figures.