Geophysical Institute
Latitude and Longitude with Google Earth
Travel the world from the comfort of your classroom with a lesson that features Google Earth. High schoolers follow a series of steps to locate places all over the earth with sets of coordinates. Additionally, they measure the distance...
EngageNY
TASC Transition Curriculum: Workshop 9
Here's a workshop for teachers that rocks the academic world! Using earthquakes as a medium for instruction, educators learn about crosscutting engineering with science. Fun, hands-on, collaborative exercises encourage participants to...
Curated OER
Plan A Trip Anywhere
Students role play being an international travel agent that is planning a trip for a client. The teacher gives specific details associated with the trip. They choose the destination and work out some of the other details. Students...
Curated OER
Circumscribed Polygons
Students investigate polygons and construct ferris wheels. In this geometry instructional activity, students create a circle and differentiate properties of circles and polygons. They compare the relationship between angles and...
Curated OER
Constructing Triangles
Students construct triangles. In this geometry lesson plan, students create equilateral triangles. They also construct triangles where the sides are different. They use the lab to create and move shapes around with the Cabri program.
Curated OER
Quadrilateral within Quadrilaterals
Students investigate the properties of quadrilaterals. In this geometry lesson, students solve problems dealing with construction and designs. They work with quadrilaterals, midpoints and parallelograms.
Curated OER
Orthographic Drawings
Students investigate the creation of three dimensional drawings. In this geometry instructional activity, students analyze and complete orthographic drawings. They Cabri software to manipulate and move the drawings around.
Curated OER
Orthographic Drawing
Students investigate orthographic drawings. In this geometry lesson, students identify properties of three dimensional drawings in space. They solve problems using volume and area formulas.
Curated OER
Sorting Quadrilaterals
Tenth graders investigate the geometric concept of quadrilaterals. They are given a set of shapes and asked to sort the quadrilaterals from the others. Then working in pairs they discuss the characteristics and write down the description...
Curated OER
Rocks
Students use their five senses to experience different types of rocks. In groups, they compare and contrast the information they collected. They observe rocks in their local community and describe their uses to the class.
Curated OER
Constructing Perpendiculars
Students construct perpendicular lines. In this geometry lesson plan, students use a compass and straight edge to do construction. They start from a point to a line.
Curated OER
Dividing Line Segments into n Congruent Parts
Students identify lines, and line segments. In this geometry lesson plan, students divide line segments into equal congruent parts. They complete a laboratory activity dealing with lines and segments.
Curated OER
Interior and Exterior Angles of Polygons
Students identify interior and exterior angles of polygons. In this geometry lesson, students add interior and exterior angles of polygons. They use angle theorems to solve the problems.
Curated OER
Heron's Formula
Learners use Heron's formula to calculate the area of a triangle. In this geometry lesson, students use three different methods to solve the area of a triangle. They find and construct the incentor and angle bisector of a triangle.
Curated OER
Special Right Triangles
Students identify different types of special right triangles. In this geometry lesson, students differentiate between right triangles and isosceles triangles. they construct the triangles using geometry software and make conjectures...
Curated OER
Composition of Reflections
Young scholars perform reflections and translations of polygons. In this geometry instructional activity, students perform reflection in two parallel lines. They use Cabri to observe the transformation and rotations of each shape.
Curated OER
Triangle Exterior Angles Theorem
Students identify the measure of missing exterior angles. In this geometry lesson,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make investigations.
Curated OER
Triangle Side Lengths and Angles Measures
Students identify missing sides and angles. In this geometry lesson, students use triangular theorems to identify the missing sides. They use the Pythagorean Theorem to find the different ratios of each side.
Curated OER
Median of a Trapezoid
Students find the median of trapezoids and other polygons. For this geometry lesson, students identify important properties of trapezoids. They create trapezoids and polygons using Cabri software.
Curated OER
Tessellations
Students create tessellations. In this geometry lesson plan, students use polygons to create different patterns by rotation. They identify the reasons for polygons to create the type of tessellation it does.
Curated OER
Areas of Polygons
Students calculate the are of regular polygons. In this geometry lesson, students create polygons on the computer and move it around to create different shapes. They explore the area of different polygons and how they inter-relate.
Curated OER
Balancing the Scales: Understanding Ratios
Students are introduced to the concept of ratios. In groups, they convert sets of numbers into a ratio. After practicing, they use the ratios and proportions to solve story problems. They also calculate map distances and discover map...
Curated OER
Grand Grocery Graphs
Students experience creating their own graphs on graph paper and the computer program "Graph Club." They approach this task by utilizing food as their primary source for the activities. In addition, they interact with their peers as they...
Curated OER
The Schoolyard Safari
Students engage in a activity to find out more information about insects. They collect and observe different insects found on school property. They research the insects once they have been classified. Also a video is used to create a...