Lesson Plan
Curated OER

Dream Bedroom Floor Plan

For Teachers 9th - 10th
Pupils build and apply concepts of geometry. In this geometry lesson, students create a building using proportions and scale drawings. They use Cabri technology to create a virtual drawing first.
Lesson Plan
Curated OER

Dream Bedroom Floor Plan

For Teachers 9th - 10th
Students construct using Cabri software. In this geometry lesson, students convert between units and apply the correct measurements to build objects. They create the room virtually and manipulate the shapes to the desired measurements.
Lesson Plan
Curated OER

Pythagorean Theorem: Triangles and Their Sides

For Teachers 8th - 10th
Students investigate triangles and their relationship to each other. For this geometry lesson, students solve right triangles using the properties of the Pythagorean Theorem. They differentiate between right, acute, straight and oblique...
Worksheet
Curated OER

The Quadrilateral Family

For Students 10th
For this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include identifying various quadrilaterals. First, they indicate whether the statements are true or false for each. Then, students determine...
Worksheet
Curated OER

Quadrilaterals

For Students 10th
In this quadrilaterals worksheet, 10th graders solve 10 different problems that include the quadrilateral family and properties. First, they determine the area of a rectangle given the perimeter and length. Then, students determine the...
Lesson Plan
Curated OER

Volume of a regular pyramid

For Teachers 10th
In this geometry worksheet, 10th graders apply the properties of a regular pyramid to determine the volume.  The one page worksheet contains two free response questions.  Answers are included.
Lesson Plan
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Illustrative Mathematics

Toilet Roll

For Teachers 9th - 11th Standards
Potty humor is always a big hit with the school-age crowd, and potty algebra takes this topic to a whole new level. Here the class develops a model that connects the dimensions (radii, paper thickness, and length of paper) of a...
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...
Worksheet
Open Text Book Store

Arithmetic for College Students: Worksheets

For Students 5th - 7th Standards
Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.
Lesson Plan
Curated OER

Pythagorean Theorem and Problem Solving

For Teachers 9th - 10th
Students use the Pythagorean Theorem to solve problems. In this geometry lesson plan, students identify the properties of a right triangle. They find the missing side and angles of a right triangle.
Lesson Plan
Curated OER

"Sir Cumference and the First Round Table" by Cindy Neuschwander

For Teachers 4th - 6th
Young scholars analyze characteristics of various 2 dimensional shapes and explore their properties and use various vocabulary terms to discuss geometric relationships.
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...
Lesson Plan
Curated OER

Ara of Circles

For Teachers 8th - 10th
Students identify the differentiate the different properties of circles and parallelograms. In this geometry lesson, students calculate the area of each solid and identify the formula. They relate Pi to the circumference of a circle.
Lesson Plan
Curated OER

Box Folding: Predict, Analyze and Measure

For Teachers 10th - 11th
Students predict the shape of a geometric figure in 3D. In this geometry instructional activity, students construct 3D shapes to perfect their knowledge of measuring and predicting. This assignment is also available as an online...
Lesson Plan
Curated OER

Pythagorean Triple

For Teachers 8th - 10th
Students investigate the properties of the Pythagorean Theorem. In this geometry lesson, students identify the missing angles and sides of a right triangle. They label the hypotenuse and legs of a right triangle correctly.
Lesson Plan
Curated OER

Origami Cube

For Teachers 9th - 10th
Learners compare two lengths using the area of a square. In this geometry lesson, students solve problems using ratio and proportion of the two shapes. They solve equations by taking the square root of both sides.
Lesson Plan
Curated OER

CSI Investigation

For Teachers 8th - 10th
Young scholars solve real life situation using the Pythagorean Theorem. In this geometry lesson, students calculate the length, midpoint and slope of segments. They solve word problems using properties of square roots.
Lesson Plan
Curated OER

What units and concepts do we use to measure rice?

For Teachers 5th
Fifth graders look at different ways to measure rice. In this rice measurement lesson, 5th graders see the metric and customary measurements. They discuss how rice is measured by length, area of the field, weight, volume and yield. 
Lesson Plan
Curated OER

Hickory Dickory Dock

For Teachers 6th - 8th
Students follow written directions to construct their own tangram. In this tangram lesson, students use their tangram to develop original figures that illustrate characters and/or objects from their favorite nursery rhyme. Students also...
Lesson Plan
Curated OER

Solving Intercepted Arcs

For Teachers 9th - 11th
Pupils investigate circles and its arcs. In this geometry lesson, students identify the relationship between an circle and its intercepted arcs. THey identify the central and inscribed angles.
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, students define the parts that make up a pyramid. They use the Pythagorean Theorem to find the missing parts of a pyramid.
Lesson Plan
Curated OER

How Many Trees Can You Grow?

For Teachers 6th - 12th
Students solve a story problem about how many trees can be planted in a given area. Using a map, they gather information about the size of the area and the dimensions of an acre. They use a specific equation to determine the area of...
Lesson Plan
Curated OER

Fractions and Halves

For Teachers 4th
Fourth graders examine halves of a whole and discover through activities that they must be exactly equal in size. Working with Geoboards and Dot-Paper Squares, the class practices finding halves that are both congruent and incongruent.
Lesson Plan
Curated OER

Geoboard Ideas

For Teachers 3rd - 4th
Learners build polygons on their geoboards. For this geometry lesson plan, students build and then draw it on paper and label it. Learners then switch with a partner to try an make a symmetrical shape.