Lesson Plan
Curated OER

Earthquake Patterns

For Teachers 6th - 12th
Students identify and interpret the cyclical nature of the Parkfield, California earthquakes. They then investigate and graph earthquake occurrences on the Mojave segment of the San Andreas fault and then on the Hayward fault in order to...
Worksheet
Curated OER

Properties of Quadrilaterals

For Students 9th - 11th
For this properties of quadrilaterals worksheet, students use the properties of quadrilaterals to find the perimeter, angle measurement or length of a missing side of a given polygon. Examples and explanations of the properties are...
Worksheet
Curated OER

Geometry Standardized Test Practice

For Students 10th
In this angles and figures review worksheet, 10th graders solve and complete 39 different multiple choice problems. First, they find the length of a line between two given points. Then, students name the type of transformation and the...
Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve and complete 5 various types of problems. First, they solve each of the triangles shown and find the area of each triangle. Then, students find the perimeter and area of the regular...
Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve and complete 13 different problems. First, they find the lengths of both missing sides. Then, students find the altitude of an equilateral triangle given the measure of one side. They...
Worksheet
Curated OER

Geometry: Calculating Perimeters

For Students 9th - 12th
In this perimeter activity, students find the perimeter of 3 polygons. Students find the perimeter of irregular polygons given various side lengths.
Worksheet
Curated OER

Perimeter, Area, Volume and Surface Area

For Students 10th
In this perimeter of shapes worksheet, 10th graders find the perimeter of the shapes illustrated. Then, they find the volume of each shape shown. Students also match the shape with its correct name on the left and find the surface area...
Worksheet
Raytheon

Geometry: Volume

For Students 6th - 8th
In this geometry worksheet, 6th graders study comprehensive facts pertaining to volume and measurement of geometric, three-dimensional figures. Students solve for 59 problems showing their work.
Lesson Plan
Curated OER

Lesson 9-3 Practice B: Composite Figures

For Teachers 9th - 12th
In this composite figures worksheet, high schoolers solve 11 short answer problems. Students find the area of figures composed of various polygons. High schoolers find the area of each figure given a sketch of the figure with various...
Worksheet
Curated OER

Kuta Software - Infinite Geometry: Similar Triangles

For Students 9th - 12th
In this similar triangles learning exercise, high schoolers solve 20 short answer problems. Students determine if two given triangles are similar.  High schoolers determine the type of similarity given two triangles. Students are...
Lesson Plan
Curated OER

Congruent Trianges - Is This Enough Information?

For Teachers 7th
Seventh graders determine whether two triangles are congruent and provide an explanation to why they are not. They apply concepts of measurement of angles and collect evidence of congruent angles in the world.
Lesson Plan
Curated OER

Making/Building Kites

For Teachers 4th - 6th
Students explore kite making.  In this cross curriculum fine arts and ancient Chinese history lesson, students activate prior knowledge about how kites were used in ancient Chinese culture.  Students sketch an original kite...
Worksheet
Curated OER

Right Triangle Trigonometry

For Students 10th
In this geometry worksheet, 10th graders use right triangle trigonometry to find the missing angle measure.  The two page worksheet contains fourteen problems.  Answers are provided. 
Lesson Plan
Texas Instruments

Investigating Segments in a Quadrilateral

For Teachers 9th - 12th Standards
Investigate the properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral. In this properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral lesson, students use...
Interactive
Curated OER

Pythagorean Theorem

For Students 6th - 10th
In this measurement activity, students will be given 2 sides of a right triangle, they will determine if the missing side is a leg or the hypotenuse. They will use the Pythagorean Theorem to create an equation and find the length of the...
Interactive
Curated OER

Mixed Right Triangles

For Students 10th
In this geometry activity, 10th graders use right triangle trigonometry to find the missing angle measure or side length in right triangles. The one page interactive activity contains ten questions. Answers and hints are included. 
Worksheet
Curated OER

Second Grade Mathematics Quiz

For Students 2nd
In this math worksheet, 2nd graders complete multiple choice questions about patterns, shapes, fractions, and more. Students complete 15 questions.
Lesson Plan
Curated OER

Investigating Area Relationships

For Teachers 9th - 12th Standards
Learners investigate the area of various figures. They construct triangles and quadrilaterals using Cabri Jr. and discuss the relationships between different angles, side lengths, and figures.
Lesson Plan
Curated OER

Study Buddies: Perimeter

For Teachers 4th - 5th
In this math worksheet, young scholars will work with a coach to solve a story problem in which they must find the perimeter of two gardens. Students will follow a step-by-step process and notes are provided for the coach.
Lesson Plan
Curated OER

Shapes (Geometric)

For Teachers 2nd
Second graders explore geometric shapes. In this lesson about geometry, 2nd graders create their own vest using geometric shapes. Students work with a partner and fit their partner for the vest they design. Students understand geometric...
Worksheet
Curated OER

Lesson 3-5: Proportions and Similar Figures

For Students 9th - 12th
In this similar figures worksheet, students use proportions to solve 6 short answer and multiple choice questions.  Students use proportions to answer questions about map scales and height of trees given shadow lengths.
Worksheet
Curated OER

Area

For Students 7th - 8th
In this area worksheet, students solve and complete 20 different problems that include the measurement of various figures. First, they determine the area of each of the triangles, parallelograms and trapezoids. Then, students determine...
Lesson Plan
Curated OER

The Difference of 2 Squares

For Teachers 8th - 12th
Students factor a difference of two squares.  In this factoring a difference of two squares lesson plan, students use manipulates cut from a piece of paper to illustrate the difference of two squares.  Students illustrate the...
Worksheet
Curated OER

Trigonometric Ratios

For Students 10th - 12th
In this trigonometric ratios learning exercise, students determine the value of trigonometric ratios.  They find the area of triangles, determine the length of one side, and compute the degrees in an angle.  This five-page...