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Worksheet
Curated OER

Area of Triangle

For Students 3rd - 5th
In this area worksheet, students read and problem solve the area of 8 triangles. Students show their work on each problem on the worksheet.
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Worksheet
Curated OER

Pythagorean Theorem

For Students 10th
In this Pythagorean Theorem worksheet, 10th graders solve and complete 19 various types of problems. First, they draw the square shown and divide its sections as shown. Then, students cut out the 6 parts of the square and rearrange the 4...
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Worksheet
Curated OER

Further Trigonometry

For Students 11th - Higher Ed
In this trigonometry worksheet, students solve for trigonometric functions. They convert between radians and angles using the properties of sine, cosine and tangent. There are 30 problems on this handout.
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Lesson Plan
Curated OER

Flight of Angles of Inclination

For Teachers 9th - 12th
Students measure the flight of a gilder. For this fight of angles lesson, students explore the flight of a glider and measure the distance flown. They collect statistical data of the flights and determine the slope of each flight. ...
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Interactive
Curated OER

SAT problem solving practice test

For Students 9th - 12th
In this online, interactive worksheet (7), students complete ten problems in 12 minutes to help prepare then to take the SATs. The problems vary in difficulty and content.
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Worksheet
Curated OER

SAT Grid Practice Test 12

For Students 10th - 12th
For this SAT practice test, students solve various problems dealing with percent, area of polygons, rates, functions, and distance. This one page on-line worksheet contains ten multi-step problems.
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Worksheet
Curated OER

Constructions and Angles

For Students 6th - 10th
In this triangle constructing and classifying worksheet, students read through a tutorial on triangles and angles. Then, students complete 17 exercises in which they answer questions about angles and triangles. By clicking on the "Check"...
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Worksheet
Curated OER

Pythagoras' Theorem

For Students 5th - 10th
For this Pythagoras' Theorem worksheet, students solve problems having to do with square roots and numbers to a certain power. Students match up the answers for 30 problems.
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Lesson Plan
Curated OER

Similarity

For Teachers 6th - 8th
Students engage in a lesson that is concerned with the concept of similarity. This takes higher order thinking skills and being able to separate into categories. Specifically in this lesson they are introduced to the scale and how it is...
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Worksheet
Curated OER

Pythagoras' Theorem

For Students 8th - 9th
In this Pythagorean Theorem worksheet, students use the Pythagorean Theorem to determine the length of a missing side. They calculate surface area of a prism. This two-page worksheet contains 4 multi-step problems.
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Worksheet
Curated OER

Unit 9 Trigonometry

For Students 9th - 11th
In this trigonometry worksheet, learners find the lengths of triangles. They construct triangles and spirals. Students complete indirect measurement problems. They find the distance between objects and determine the volume of rectangular...
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Interactive
Curated OER

Ten Multiple Choice Length Problems

For Students 9th - 10th
In this distance instructional activity, students 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...
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Lesson Plan
Curated OER

Tilted Squares and Right Triangles

For Teachers 5th - 6th
Students investigate squares. They generate patterns from structured situations and find a rule for the general term and express it using words and symbols. Students generate patterns from a rule and substitute values and formulas.
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Lesson Plan
Curated OER

Introducing Trig

For Teachers 5th
Fifth graders explore the importance of triangles in the real world. They find the unknown side of a right triangle using a scale drawing. Students use Pythagoras' Theorem and other appropriate ratios.
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Lesson Plan
Curated OER

What Goes Around

For Teachers 4th
Fourth graders investigate the relationships between the area and perimeters of squares and rectangles. They calculate the perimeter of rectangles and squares using a formula. Students investigate the relationship between the perimeter...
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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 6th - 8th
Students investigate the concept of the Pythagorean Theorem. After conducting independent practice to find the hypotenuse of a triangle, they work with the teacher using examples in the lesson plan. The direct instruction is delivered...
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Worksheet
Curated OER

Forty Mental Math Angle Problems

For Students 10th - 11th
In this angle activity, students answer forty mental math questions divided into four problem sets.  These problems require students to remember angle facts and so simple calculations mentally.
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Worksheet
Curated OER

Cosine

For Students 10th - 12th
In this cosine worksheet, students find the cosine of x for different measurements of triangles. Students complete 10 cosine problems.
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Worksheet
Curated OER

Cut, Construct and Think 4

For Students 5th - 7th
In this geometry activity worksheet, students cut a 6x6 according to the directions and construct the 4 listed shapes from the pieces. Students also respond to 5 questions that require them record details regarding the 5 listed shapes.
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Organizer
Curated OER

Cut, Construct and Think 6

For Students 6th - 8th
For this geometry skills worksheet, students follow the provided instructions to cut out geometric shapes on the worksheet and build 5 shapes out of the pieces. Students also complete a graphic organizer regarding the shapes and their...
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Worksheet
Curated OER

SAT Grid Practice Test 11

For Students 9th - 11th
In this SAT practice test, students compute the area and perimeter of polygons.  They determine the volume of a cylinder and solve problems with exponents.  This one-page activity contains 10 problems.  Answers are provided.
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Lesson Plan
Curated OER

Sum of Interior/Exterior Angles with Wilbur

For Teachers 7th - 10th
Students identify the interior and exterior measures of polygons. In this geometry lesson, students identify the formula for interior angles of polygons. They differentiate between triangular and polygons angles.
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Lesson Plan
Curated OER

Trigonometry

For Teachers 8th
Eighth graders practice calculating the unknown length of a right angle triangle. They also examine the pythogoram theory in groups. They help each other work through the problems.
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Lesson Plan
Curated OER

Tessellations: Use Right Angles To Explain The Tessellation of Objects

For Teachers 6th - 10th
Young scholars examine a selection of shapes and identify which shapes tessellate and why. They design and make a pattern which involves translation, reflection, or rotation. Students describe the features of 2-dimensional and...