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Worksheet
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Precalculus, Droodle Review Sheet

For Students 10th - 12th
For this pre-calculus worksheet, students solve 20 problems in order to determine the "Droodle." Each correct answer the students achieve will be associated with a letter, that letter will be used to uncover the identity of a strange...
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Lesson Plan
Curated OER

Fencing

For Teachers 6th - 9th
Students practice fencing skills. In this physical education lesson, students develop fencing skills. Students watch a movie clip that shows fencing and then they begin their lessons. Students discover the rules and proper positioning...
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Worksheet
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Six Multiple Choice Logic Question for Given Conditional Statements

For Students 9th - Higher Ed
In this logic worksheet, students answer six multiple choice questions by finding the inverse, converse, and contrapositive of a given conditional statement.
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Worksheet
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Similar Polygons Homework

For Students 9th - 10th
For this geometry worksheet, students solve problems using the similarity and congruent theorem. They find the vertices and different parts of polygons using theorems. There are 18 questions.
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Lesson Plan
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Proportional Similarities

For Teachers 8th - 10th
Students model the geometric relationship with graphing. In this geometry lesson, students differentiate between parallel, perpendicular, similar and congruent shapes. They use properties of polygons to differentiate their shapes...
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Worksheet
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Congruence in Triangles

For Students 9th - 10th
In this geometry worksheet, learners identify and label triangles as being congruent or not. They use the SSS, ASA or SAS as their description. There are 18 questions with an answer key.
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Lesson Plan
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Tennis Triangle

For Teachers 9th - 12th
Students calculate the height of a tree or flagpole. They measure the shadow of the tree or flagpole and the length of a shadow of a meterstick. Using similar triangles, calculate the heigh. Devise two additional ways in which to measure...
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Lesson Plan
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Similar Triangles

For Teachers 9th
Ninth graders find the height of every day objects using techniques learned through postulates that allow triangles in a problem to be similar. They calculate the length of a missing side and solve proportions.
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Worksheet
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Congruence of Triangles

For Students 10th
In this congruence of triangles worksheet, 10th graders solve 10 different problems that include determining the congruence of various triangles. First, they determine the length of two sides of a congruent triangle. Then, students...
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Lesson Plan
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An Introductions to Congruent Polygons

For Teachers 8th - 10th
Students differentiate between similar and congruent polygons. In this geometry lesson, students define the theorems and reasons for polygons similarity and congruence. They are given pictures and patterns to differentiate and identify.
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Lesson Plan
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Median of a Trapezoid

For Teachers 8th - 10th
Students find the median of trapezoids and other polygons. In this geometry lesson, students identify important properties of trapezoids. They create trapezoids and polygons using Cabri software.
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Worksheet
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Mathematical Wackie Wordies

For Students 9th
In this word worksheet, 9th graders examine pictures and write a mathematical phrase to describe the picture.  This one-page worksheet contains 25 problems.  Answers are provided.
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Lesson Plan
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Exploring the Hinge Theorem

For Teachers 9th - 10th
Pupils explore the application of Hinge Theorem. In this geometry lesson, students write inequalities, given two sides of a triangle. They solve problems with triangular inequalities using the proper theorem.
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Lesson Plan
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Understanding Fundamental Trigonometric Identities

For Teachers 9th - 12th
Students are introduced to the basic trigonometric identities. Using a diagram, they discover why the parts of the unit circle as named as they are and use equations to finalize the Pythagorean trigonometric identities. They also review...
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Worksheet
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Polynominoes

For Students 10th
In this polynominoes worksheet, 10th graders solve 9 different problems relating to various types of polynominoes, such as triominoes and tetrominoes. First, they determine how many different types of triominoes they can locate and draw...
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Lesson Plan
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Fractals

For Teachers 10th - Higher Ed
Students explore the concept of fractals. For 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
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Shapes

For Students 1st - 2nd
In this shapes worksheet, students identify shapes according to sentences that describe them. Students identify 8 shapes, but have 14 to choose from.
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Lesson Plan
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Why can't We Use SSA to Prove Triangles Congruent?

For Teachers 9th - 10th
Students investigate triangles and congruences. For this geometry lesson, students differentiate between inductive and deductive reasoning. They differentiate between similar and congruent triangles.
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Worksheet
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Describe and Classify 2-D Shapes

For Students 1st - 3rd
In this 2-D shapes worksheet, students match a set of descriptions to shapes given. A reference website for additional resources is given.
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Lesson Plan
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Upside-Down Wings

For Teachers 9th - 12th
Pupils use FoilSim to demonstrate that the graphic analysis of the airflow around one object can be used to hypothesize airflow graphs for objects as they are elongated from a sphere to an airfoil shape.
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Lesson Plan
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Lift Relationships

For Teachers 9th - 12th
Young scholars use FoilSim (downloadable) to determine how lift is affected by varying parameters on the Airfoil simulation.
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Lesson Plan
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Shooting Basketball Stars

For Teachers 6th - 8th
Students adapt to different basketball shooting ranges, from lay-ups to outside shots.
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Lesson Plan
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Geo Jammin' - Day 2, Lesson 6: Rhyme and Reason

For Teachers 2nd - 5th
Learners listen to the poem "Shapes" by Shel Silverstein in order to accurately and specifically describe shapes' rules/traits in their journals. They illustrate the poem and take turns reading during a creative shared reading session.
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Lesson Plan
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Math is Beautiful

For Teachers 4th - 7th
Students explore how geometry is used on the composition of artworks by artists from different cultures. This lesson is equally suited for a Math or Art classroom at the late-elementary or early-middle school level.

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