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Lesson Plan
Curated OER

Can You Canula?

For Teachers 8th - 9th
Students calculate the circumference of a circle. In this geometry lesson, students measure the diameter of a circle using micrometers or calipers. They investigate the relationship of the diameter to that of the value of Pi.
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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.
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Lesson Plan
Curated OER

Area Of Sectors

For Teachers 9th - 12th
Student find the area of a sector of a circle. In this geometry lesson, high schoolers  define the sector of a circle using a sketch. They find and identify examples of sector in the real world.
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Lesson Plan
Curated OER

Pyramids- Slant Height and Altitude

For Teachers 8th - 10th
Learners calculate the height and altitude of a pyramid. For 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.
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Lesson Plan
Curated OER

Marshmallow Towers

For Teachers 7th - 10th
Students explore geometry by completing a marshmallow activity in class. In this architecture lesson, students identify the jobs of civil engineers and architects while identifying different geometric shapes as well. Students utilize...
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Lesson Plan
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Crop Circles

For Teachers 5th - 8th
Students calculate the area and circumference of a circle. In this geometry lesson, students solve word problems with circles and create formulas to calculate the area. They find the rate and complex area of a circle.
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Lesson Plan
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Dilation

For Teachers 10th
Tenth graders identidy and define various geometry terms, Students create exact replicas of a shape that is either smaller or larger than the original shape. Students prove that their entire shapes are larger or smaller in the same...
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Worksheet
Curated OER

The Pythagorean Theorem

For Students 9th
In this Pythagorean theorem worksheet, 9th graders solve and complete 16 different problems that include using the Pythagorean theorem to solve each one. First, they find each missing measure given the hypotenuse of a right triangle....
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Lesson Plan
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Navy Sail Design

For Teachers 9th - 12th
High schoolers use the Pythagorean Theorem to explore sailboat design. In this Pythagorean Theorem instructional activity, two sides of a triangular sail are measured, and the theorem is used to calculate the third side. A worksheet,...
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Lesson Plan
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Area of Composite Figure.

For Teachers 10th
Tenth graders predict the shape of a geometric figure in 3D. In this geometry lesson, 10th graders construct 3D shapes to perfect their knowledge of measuring and predicting. This assignment is also available as an online interactive...
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Lesson Plan
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Volume of a Cylinder

For Teachers 9th - 10th
Students predict the shape of a geometric figure in 3D. In this geometry lesson, students construct 3D shapes to perfect their knowledge of measuring and predicting. This assignment is also available as an online interactive...
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Lesson Plan
Curated OER

What You See Is Not Always What You Get!

For Teachers 8th - 11th
Students estimate and calculate the distance of a shape. In this algebra lesson, students differentiate between a horizontal distance and it's reflected image. They measure the reflection and the point starting at the eye of the observer.
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Lesson Plan
Curated OER

Triangle Puzzler

For Teachers 5th - 8th
Students are introduced to some basic concepts of geometry. They explain that the definition of a triangle is a figure with three sides, three angles, and three points. Triangles can be named by using three points in their correct sequence.
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Lesson Plan
Curated OER

Design a Track

For Teachers 7th - 9th
Students investigate track and field dimensions, measure an actual track, and construct a scale model. The use of a meter stick, dimensional analysis, and the application of the distributive property to variables forms the main focus of...
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Worksheet
Curated OER

Exploring Angles

For Students 10th
In this exploring angles instructional activity, 10th graders solve 6 various problems of geometry by identifying various types of angles. First, they use the figure shown to list all the angles that have W as the vertex and then, name...
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Worksheet
Curated OER

Triangle Inequalities

For Students 9th - 10th
In this geometry instructional activity, students use the inequality theorem to figure out if three segments will make a triangle. They are given the measures of two segments and must figure out the third segment on their own. There are...

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