+
Lesson Plan
Curated OER

Pythagorean Theorem by Graphic Manipulation

For Teachers 7th - 9th
There are many different ways to show a proof of the Pythagorean Theorem.  Here is a nice hands-on paper cutting activity that shows a graphic representation. You can even challenge your young Pythagoreans to come up with their own...
+
Worksheet
Curated OER

Vocab-u-lous! Build a Fabulous Vocab

For Students 9th - 10th
In this vocabulary worksheet, learners determine the best choice from the word bank to complete the sentence. The challenging words all begin with the letter "H."
+
Lesson Plan
Curated OER

Pythagoreum Theorem

For Teachers 6th - 8th
Students practice assessing how to apply the formulas for the area of parallelograms and triangles. They recount the contributions of Pythagoras and apply the theories of the Pythagorean theorem in a group project to calculate the...
+
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 6th - 8th
Need a few extra examples on using the Pythagorean Theorem? Here is a lesson that uses pictures of New York City’s buildings as a model, and young architects find the height of the building. Consider adding more examples to further...
+
Lesson Plan
West Contra Costa Unified School District

Introduction to Trigonometric Functions

For Teachers 9th - 12th
Scholars first learn the definitions of the sine ratio, the cosine ratio, and the tangent ratio. After mastering these definitions, they use the new information to solve triangles.
+
Worksheet
Curated OER

Triangle Congruence

For Students 8th - Higher Ed
In this triangle congruence worksheet, students review 4 triangle congruence properties and 4 examples. Students are then prompted to complete 15 problems analyzing whether two triangles are congruent and determine by which property.
+
PPT
Curated OER

Vectors

For Students 9th - 12th Standards
Represent motion with arrows and call them vectors! The lesson is a presentation that models the mathematics involved when determining a resultant vector. It addrssses motions that are parallel, perpendicular, and a combination of both. 
+
Worksheet
Curated OER

Trigonometry Investigation

For Students 11th - Higher Ed
In this math worksheet, students use the sheet to conduct an investigation to find the trigonometric ratios using opposite and adjacent sides to see how they are related to each other.
+
Lesson Plan
Curated OER

Sine

For Teachers 10th - 12th
In this sine worksheet, pupils use the trigonometry equation to find the sine of triangles. Students solve the sine for 10 triangle problems.
+
Lesson Plan
Curated OER

Geometry: Lesson 10

For Teachers 8th
Eighth graders investigate the Pythagorean theorem and how it is used in geometry. Measurements for different triangles is given and then students must solve problems in order to practice using the formula.
+
Lesson Plan
Curated OER

The Pythagorean Theorem

For Teachers 7th
Seventh graders relate the Pythagorean theorem to the real world. In this algebra lesson, 7th graders identify important properties of the Pythagorean theorem and use it to solve word problems. They create a step by step plan to help...
+
Lesson Plan
Curated OER

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...
+
Lesson Plan
Curated OER

The Pythagorean Theorem, the Distance Formula, and Slope

For Teachers 9th - 12th
Students explore the concept of the Pythagorean Theorem. For this Pythagorean Theorem lesson, students derive the distance formula and slope of a line from the Pythagorean Theorem.
+
Interactive
Curated OER

Ten Multiple Choice Length Problems

For Students 9th - 10th
In this distance learning exercise, learners calculate the lengths of sides and diagonals of figures.  Students also compute lengths in shadow problems.  The solutions are provided by clicking on the "show answers" tab at the bottom of...
+
Worksheet
Curated OER

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.
+
Worksheet
Curated OER

Trigonometry for AC Circuits

For Students Higher Ed
In this physics worksheet, students solve 23 trigonometry based problems. Students apply the Pythagorean Theorem in electricity calculations.
+
Worksheet
Curated OER

Mnemonics to Remember Your Trig Ratios

For Students 10th - 12th
In this calculus worksheet, students review mnemonic rhymes to help them remember the different ratios of sine, cosine and tangent. They are funny and memorable for any grade level.
+
Lesson Plan
Curated OER

Perimeter and Area of 2D Shapes

For Teachers 6th - 7th
Students find the perimeter and area of circles, triangles, and rectangles. In this perimeter and area lesson, the teacher gives students formulas for each shape and measurement and works through examples on the board. While no creative...
+
Lesson Plan
Curated OER

Understanding Fundamental Trigonometric Identities

For Teachers 9th - 12th
Young scholars 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...
+
Worksheet
Curated OER

The Pythagorean Theorem

For Students 9th - 11th
In this geometry learning exercise, students solve missing parts of a triangle using the Pythagorean Theorem. There are 19 questions with an answer key.
+
Lesson Plan
Curated OER

This Building is Tall

For Teachers 9th - 12th
Students calculate the perimeter of shapes. In this geometry lesson, students relate properties of polygons to the real world. They find length, midpoint and slope.
+
Worksheet
Curated OER

Seventeen Math Regents Exam Pythagorean Theorem Questions

For Students 8th - 10th
In this Pythagorean Theorem activity, students solve seventeen Math Regents Exam questions using the Pythagorean Theorem.  The solutions are provided.
+
Lesson Plan
Curated OER

Geometry In the Yard

For Teachers 5th - 7th
Students are responsible for creating a border around a triangular garden spot, of which they know the measurements for two sides. They use the Pythagorean Theorem to calculate the third side and complete the garden.
+
Lesson Plan
Curated OER

Chambered Nautilus

For Teachers 6th - 8th
Students create sets of similar triangles which, when fixed together with a piece of Scotch tape, form a spiral-like, segmented shape, slightly similar to the cross section of the shell of a nautilus.