Lesson Plan
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Area of Triangle using the Semi-Perimeter and Radius

For Teachers 8th - 10th
Young scholars investigate the properties of circles. For this geometry lesson, students calculate the area and perimeter of a triangle. They identify the perimeter and radius length of a circle.
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Inscribed Right Triangles

For Teachers 7th - 9th
Students calculate the measurements of the inscribed angles of a triangle. In this geometry lesson, students relate the hypotenuse of a right triangle and the diameter of a circle to each other. They calculate the diameter of a circle as...
Lesson Plan
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Triangle Side Lengths and Angles Measures

For Teachers 9th - 10th
Students identify missing sides and angles. In this geometry instructional activity, students use triangular theorems to identify the missing sides. They use the Pythagorean Theorem to find the different ratios of each side.
Lesson Plan
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Inscribed Quadrilaterals and Parallelograms

For Teachers 9th - 10th Standards
Students differentiate between inscribed quadrilaterals and parallelograms. In this geometry instructional activity, students identify the shaped of the polygons when it is inscribed inside of a circle. They calculate the missing angles...
Lesson Plan
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Investigating Trigonometric Ratios Through Similar Right Triangles.

For Teachers 8th - 10th
49Pupils investigate the properties of right triangles. In this geometry lesson, students differentiate between similar and congruent triangles. They use the Pythagorean Theorem to find the missing angles and sides.
Lesson Plan
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Investigating Trigonometric Ratios Through Similar Right Triangles

For Teachers 9th - 10th
Young scholars identify similar and congruent right triangles. In this geometry lesson, students use trigonometric ratios to identify missing sides and angles of a triangle. They differentiate similar and congruent triangles.
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Robot Cartography

For Teachers 8th - 10th
Learners identify points plotted on the coordinate plane. In this geometry lesson, students learn to read a map using concepts of a coordinate plane grid. They find the path given a map to tell them where to go.
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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...
Lesson Plan
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Integers

For Teachers 9th - 11th
Students perform order of operation using integers. In this algebra lesson, students apply properties of integers as they add, subtract, multiply and divide integers. They work in groups to complete a RAFT assignment.
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Design a Zoo Project

For Teachers 6th - 8th
Students research animals to become experts on them. They design a zoo to fit their animal's climate and region. They create a computer drawing of their zoo at the end of the lesson.
Lesson Plan
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Iowa - Here We Come

For Teachers 9th - 12th
High schoolers practice their geography skills. In this geography lesson, students plan a trip in their state that includes calculating mileage, time, and other costs. High schoolers also submit a written trip itinerary.
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The Berenstain Bears' Mad, Mad, Mad Toy Craze

For Teachers 2nd - 4th
Learners explore personal finances. In this money management lesson plan, students read The Berenstain Bears' Mad, Mad, Mad Toy Craze. Learners examine the spending habits of Brother Bear and Sister Bear. Students analyze opportunity...
Lesson Plan
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Division Day 1

For Teachers 3rd - 5th
Pupils complete division problems where they solve problems based on the story The Doorbell Rang. For this division lesson plan, students also write journal entries about division.
Lesson Plan
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Heron's Formula

For Teachers 9th - 10th
Students use Heron's formula to calculate the area of a triangle. In this geometry lesson, students use three different methods to solve the area of a triangle. They find and construct the incentor and angle bisector of a triangle.
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Special Right Triangles

For Teachers 9th - 10th
Students identify different types of special right triangles. In this geometry lesson plan, students differentiate between right triangles and isosceles triangles. they construct the triangles using geometry software and make conjectures...
Lesson Plan
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Compound Locus

For Teachers 7th - 10th
Young scholars investigate circles and compound locus. In this geometry lesson, students identify the distance from a point to a line. They use Cabri software to create lines and circles.
Lesson Plan
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Conic Sections and Locii

For Teachers 9th - 11th
Students differentiate between ellipse and hyperbola. In this algebra lesson, students graph and solve elliptical equations. They use the cabri program to create the different conics and move them around.
Worksheet
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Colors Samples

For Students 4th - 5th
In this math worksheet, learners take the time to count out the colors of the candies. They graph the results and make inferences from the information.
Worksheet
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Expressions of Appalachian Mountain Folk

For Students 4th - 5th
In this math worksheet, students plot the coordinates and then unscramble a code in order to decipher a riddle about the expressions used in the Appalachian Mountains.
Lesson Plan
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Finding the LCM

For Teachers 4th - 8th
Students explore the concept of finding the least common multiple of two numbers. In this least common multiple lesson, students find the least common multiple of two numbers.
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Bingo Brown and the Language of Love

For Teachers 4th - 5th
Students study credit and interest in a novel and consumer math activity. In this credit activity, students read the book Bingo Brown and the Language of Love. Students discuss the book and the ideas of credit, interest, and loans....
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Constructing Parallel Lines

For Teachers 8th - 10th
Students construct parallel lines using a protractor and a straightedge. In this geometry lesson, students identify the properties of parallel lines. They use Cabri to graph and observe the lines.
Lesson Plan
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Incenter of a Triangle

For Teachers 10th
Tenth graders find the incenter of a triangle. In this geometry lesson, 10th graders define the way to create an incenter with an angle bisector. They differentiate between incenter and incircle.
Lesson Plan
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Orthocenter Of a Triangle

For Teachers 8th - 10th
Students find the orthocenter of a triangle. In this geometry activity, students identify where the altitudes meet in a triangle. They use Cabri software to explore acute, obtuse and right triangles.