+
Worksheet
Curated OER

The Triangle Problem

For Students 10th
For this geometry worksheet, 10th graders identify different parts of a scalene triangle and calculate the length of different segments. There is one question with an answer key.
+
Interactive
Curated OER

Trigonometry Applications

For Students 10th
In this geometry worksheet, 10th graders solve application word problems involving the use or right triangle trigonometry, including angle of elevation or depression. The one page interactive worksheet contains five questions. Hints,...
+
Lesson Plan
Curated OER

The Quirky Quadrilateral

For Teachers 4th
Fourth graders identify and classify different triangles and quadrilaterals. Then they demonstrate an understanding of plane and solid geometric objects and use this knowledge to show relationships and solve specific problems. Students...
+
Worksheet
Curated OER

Interior and Exterior Angles of Polygons

For Students 10th
In this angles of polygons worksheet, 10th graders solve and complete 18 different problems that include determining various interior and exterior angles. First, they determine the measure of various angles described in the first half of...
+
Interactive
Curated OER

Shapes and Angles

For Students 4th
Are your geometry whizzes learning about angles and shapes? This online worksheet gives 10 multiple choice questions based on images and word problems. Concepts include deducting angle degree, classifying shapes, and identifying angle...
+
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 10th
Students find the different ratios of a triangle. In this geometry instructional activity, students use the Pythagorean Theorem to solve for missing sides and angles on a right triangle. They use a robot to create a right triangle.
+
Lesson Plan
Curated OER

Regular Pyramids

For Teachers 10th
In this Geometry worksheet, 10th graders solve problems involving the properties of a regular pyramid.  The one page worksheet contains two multiple choice questions.  Answers are included. 
+
Worksheet
Curated OER

Regular Pyramids

For Students 10th
In this Geometry worksheet, 10th graders solve problems involving the properties of a regular pyramid.  The one page worksheet contains a combination of three multiple choice and free response questions.  Answers are included. 
+
Lesson Plan
Curated OER

Pyramids

For Teachers 10th
In this Geometry worksheet, 10th graders solve problems involving the properties of a regular pyramid.  The two page worksheet contains a combination of seven multiple choice and free response questions.  Answers are included. 
+
Lesson Plan
Curated OER

Geometry: Lesson 2

For Teachers 8th
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.
+
Lesson Plan
Curated OER

Symmetry

For Teachers 6th
Sixth graders explore symmetry and discuss the difference between a rotation and reflection. Using hands-on activities, such as folding paper shapes, they discover how to find the lines of symmetry and symmetrical characteristics. As a...
+
Worksheet
Curated OER

Midpoints

For Students 10th
For this midpoints worksheet, 10th graders solve and complete 10 different problems. First, they find the perimeter of each illustrated triangle. Then, students determine the bases and median of a trapezoid. They also prove that two...
+
Lesson Plan
Curated OER

Octagon Lesson Plan

For Teachers 10th - 11th
Students investigate octagons using words and shapes. In this geometry lesson, students discuss the shape of an octagon using physical and symbolic models. They make conjecture about the shape and relate it to the real world.
+
Lesson Plan
Curated OER

Introducing Powers and Models

For Teachers 4th - 6th
Students construct two dimensional models to illustrate squared numbers. For this geometry lesson, students use graph paper and an x/y axis to build squares exponentially. Students identify powers and relationships between various...
+
Worksheet
Mathster

Line and Rotational Symmetry

For Students 4th - 8th Standards
Challenge young mathematicians' understanding of symmetry. Provided with images of different shapes, letters, and national flags, students are tasked with identifying the lines of symmetry and order of rotational symmetry associated with...
+
Worksheet
Curated OER

The Corners of a Square

For Students 10th
In this geometry worksheet, 10th graders cut the corners off of a square so that a regular octagon remains.  Students determine the length of each side of the octagon.  The one page worksheet contains one problem with the solution. 
+
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 8th
Pupils explore the history of Pythagoras and his contributions to mathematics. In this middle school geometry lesson, students use one inch tiles to investigate the Pythagorean Theorem and to find the length of the sides of a right...
+
Lesson Plan
Curated OER

The Sum of All Angles

For Teachers 7th - 10th
Pupils add up the different angles using the angle addition postulate. In this geometry lesson, students differentiate between interior and exterior angles. They calculate the different angles for triangles and use proof to show their...
+
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 9th - 11th
Learners solve problems using the Pythagorean Theorem. In this geometry lesson, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
+
Worksheet
Curated OER

4th Grade Math Worksheet

For Students 4th - 5th
For this 4th grade math review worksheet, learners respond to 60 multiple choice questions that review of fractions, decimals, geometry, number sense, and computation.
+
Lesson Plan
Curated OER

Pyramids- Slant Height and Altitude

For Teachers 8th - 10th
Students calculate the height and altitude of a pyramid. In this geometry lesson plan, students define the parts that make up a pyramid. They use the Pythagorean Theorem to find the missing parts of a pyramid.
+
Worksheet
Curated OER

Twelve Related Rates Word Problems

For Students 12th - Higher Ed
In this word problems worksheet, students solve twelve related rates word problems. Knowledge of geometry is necessary to complete these problems.
+
Lesson Plan
Curated OER

Creature Design

For Teachers 5th
Fifth graders create mathematical creatures. In this geometry activity, 5th graders create a creature from regular and irregular geometric shapes. Students review vocabulary and construct an original creature based on a rubric.
+
PPT
Curated OER

Hoops: Grade 4 and 5

For Teachers 4th - 5th
4th-5th graders will compete in a game similar to Jeopardy in which they answer questions from a variety of subject areas including science, language, and math. The questions are based on an extremely wide variety of topics, so would be...