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Lesson Plan
Curated OER

Distance in Coordinate Geometry

For Teachers 9th - 10th
Students analyze distance and graphing. In this geometry lesson, students work problems on a coordinate grid calculating the distance. They apply the Pythagorean Theorem to their data and answer.
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Worksheet
Curated OER

Reading a Floor Plan

For Students 5th
In this reading a floor plan worksheet, 5th graders use the floor plan, the scale or 1/8 in. = 1 ft. and an inch ruler to answer 6 questions.
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Lesson Plan
Curated OER

Finding Perimeter and Area

For Teachers 3rd
Third graders understand the perimeter by units and now find perimeter by addition. In this perimeter lesson, 3rd graders relate their prior knowledge to adding the sides of the perimeter by answering a series of questions.
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Lesson Plan
Curated OER

Constructing Midsegments of Triangles

For Teachers 9th - 10th
Students construct midsegments. In this geometry lesson, students make conjectures and apply properties of triangles to solve problems. They complete an activity on the computer.
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Lesson Plan
Curated OER

Trigonometric Ratios

For Teachers 10th - 12th
Students measure and analyze angles. For this trigonometry lesson, students measure angles and distances use non-traditional techniques. They identify the different ratios of sine, cosine and tangent.
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Lesson Plan
Curated OER

Shapes Are Everywhere

For Teachers 3rd
Third graders explore pattern blocks noticing their similarities and differences and share their observations with others. They classify shapes by discussing sides and angles and combine pieces to make new shapes.
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Worksheet
Curated OER

Worksheet 25

For Students 11th - Higher Ed
In this math worksheet, students state the Fundamental Theorem of Calculus. Then they evaluate the functions and test them against the theorem.
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Worksheet
Curated OER

Finding the Shortest Distance Between The Spider and The Fly

For Students 9th - 11th
In this word problem worksheet, students solve for the shortest distance between a spider and a fly.   The solution is provided.
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Lesson Plan
Curated OER

Exploring Angle Pair Relationships

For Teachers 9th - 11th
Students investigate the relationship between angles of triangles. In this geometry lesson plan, students identify properties of right and non-right triangles. They differentiate between vertical and supplementary angles.
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Worksheet
Curated OER

Worksheet 22-Fall 1995

For Students 11th - Higher Ed
In this math activity, students examine the graph of the derivative. Then they determine the critical points that correspond to the relative extrema.
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Lesson Plan
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Curated OER

The Unit Circle

For Teachers 9th - 11th Standards
Students solve problems using the unit circle. In this precalculus lesson, students identify angles using the properties of the unit circle. They observe the trigonometric graphs and sine, cosine and tangent.
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Lesson Plan
Curated OER

An Introduction to Measuring Theory

For Teachers 7th - 9th
Pupils investigate one, two and three dimensional objects. In this algebra lesson plan, students differentiate between different shapes of objects and write equations to represent each. They start with what they already know and prove...
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Lesson Plan
Curated OER

Tiling the Plane

For Teachers 5th
Fifth graders use pattern blocks and triagular grid paper to reivew shape names, be introduced to the concept of a tiling of the plane, and determine which pattern blocks tile the plane. They are asked if they comprehend what a...
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Worksheet
Curated OER

Worksheet 32 - Fall 1995

For Students 11th - Higher Ed
In this math activity, students find the area enclosed by the parabola’s arch and the x-axis. They are asked about the highest point of the parabola in terms of a.
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Worksheet
Curated OER

Parabolas

For Students 10th
In this parabolas worksheet, 10th graders solve and complete 15 different problems related to parabolas. First, they define parabola and its information related to graphing one. Then, students write each equation in standard form. They...
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Lesson Plan
Curated OER

Constructions of Isosceles and Equilateral Triangles

For Teachers 4th - 9th
Learners explore the difference between drawing and constructing a triangle utilizing The Geometer's Sketchpad on the computer. They create, develop and script constructions for both isosceles and equilateral triangles. Each student has...
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Worksheet
Curated OER

Conics and Graphing

For Students 11th - 12th
In this algebra worksheet, students solve equations by graphing an ellipse, circle and hyperbola. They match equations to graphs and define each type of function. There are 20 questions total.
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Worksheet
Curated OER

Circles and Their Equations

For Students 6th - 7th
In this circle and their equations worksheet, students read about circles and algebraic equations, look at examples and complete exercises.
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Worksheet
Curated OER

Chapter 6: Geometry Perimeter and Area

For Students 10th - 12th
In this perimeter and area instructional activity, learners find the perimeter of various polygons.  They compute the perimeter, surface area, circumference, and volume of given figures.  Students explore trigonometric ratios.  This...
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Worksheet
Curated OER

Challenge: Skills and Applications Lesson 2.4

For Students 9th - 10th
In this algebra worksheet, students create arguments using conjectures. They identify the sequence and the pattern and formula. They solve products and prove sum of integers. There are 8 questions.
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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

Draw It!

For Teachers 3rd - 4th
Students follow directions to make two- and three-dimensional shapes. Focusing on polygons, they use the shapes to solve real-world problems and review with the class. They read two of Shel Silverstein's poems and discuss the...
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Lesson Plan
Curated OER

Fractals

For Teachers 10th - Higher Ed
Students explore the concept of fractals. In this fractal lesson, students use applets to explore Koch's Snowflake, Sierpinski's Triangle, and other fractals. Students develop these concepts through exploration and teacher guided...
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Worksheet
Curated OER

Geometry Journal: Distance

For Students 10th - 12th
In this distance worksheet, students determine how to find the distance between points.  They use the distance formula and justify their answers. This two-page worksheet contains 2 problems.  Answers are listed on the last page.