Curated OER
Line Hunt
Students identify lines in everyday images. In this art analysis lesson, students practice drawing diagonal, vertical and horizontal lines on pieces of chart paper. Students examine a page from a magazine and identify the...
Texas Instruments
Traditional Copy an Angle - Compass Construction Using Cabri Jr.
Learnerss explore geometric construction in this geometry lesson. They will investigate the traditional construction for copying an angle using Cabri Jr. in lieu of paper and pencil construction. The lesson encourages learners to explore...
Curated OER
Investigating Shapes in Our World
First graders explore shapes. In this geometry lesson, 1st graders make shapes with geo-boards, use play-dough to make three-dimensional figures, and make a shape book using pre-cut shapes.
Texas Instruments
Cabri Jr. Inscribed and Central Angles
Learners will differentiate between inscribed and central angles in this geometry lesson. They answer questions dealing with circles as they relate to inscribed triangles and angles. This assignment includes a printable worksheet.
Curated OER
Dimensions and Area
Learners explore the area of rectangles in this middle school geometry lesson. They will investigate the relationship between a change in the dimensions of a rectangle and the change in the corresponding area. Learners also investigate...
Curated OER
TI Workshop Presentation Guide for "Preparing for Proofs"
Pupils discover proofs using the TI in this geometry lesson. They collect data from newspaper and magazines and analyze their data using the TI, relating it to proofs.
Texas Instruments
What's the Scale?
Pupils will analyze scales as related to models and real life in this geometry lesson. They work together to compare the dimensions on a model as compared to the real building.
Curated OER
Introducing Powers and Models
Students construct two dimensional models to illustrate squared numbers. In this geometry lesson, students use graph paper and an x/y axis to build squares exponentially. Students identify powers and relationships between various figures...
Curated OER
Pyramids and Prisms: Guler's Formula
Sixth graders detect and categorize the attributes of geometric shapes to solve problems. In this geometry lesson, 6th graders construct a variety of polyhedra. Students recognize the relationships between two dimensional and three...
Curated OER
Pascal's Triangle
For this geometry lesson, 10th graders investigate Pascal's Triangles as they relate it to probability problems and geometric problems. They review the theories behind the formulas.
Curated OER
Shapetown
Students identify basic geometric shapes. For this geometry lesson, students read the book Shapetown and identify the various shapes from the story. Students are given a sheet and draw part of a town using only shapes.
Curated OER
What is a Tangram?
Students identify a tangram. In this geometry lesson, students read Grandfather Tang's Story and retell each story using the tangrams on a flannel board. Students use tangrams to complete an included worksheet.
Curated OER
Tantalizing Tangrams: What Are Transformations?
Students use the Internet to learn about transformations and tessellations. In this geometry lesson, students use the Internet to define the meaning of reflections, translations, rotations, glide reflection and symmetry. ...
Curated OER
Money Is Irrational
In this geometry lesson, 10th graders fold a dollar bill to make a tetrahedron. They analyze geometric shapes and apply it hands on.
Curated OER
Up, Up and Away
Tenth graders experiment with gravity and air pressure. In this geometry lesson, 10th graders build their own kits and fly it. They investigate the questions: what keeps a kite in the air and what are some important factors when flying a...
Curated OER
Paper Towel Structure
Students investigate technology and its purpose in the workplace. In this geometry lesson, students design and build a paper towel structure to investigate motion and forces. They are given a restricted weight and asked to build their...
Curated OER
Blast Off with Model Rockets
Students investigate science and math by building a rocket. In this geometry lesson plan, students build a rocket using paper towel tubes while investigating questions about launching a rocket. They discuss balance and unique structure...
Curated OER
The Ice Cream Stands Problem
Tenth graders pretend to set up an ice cream shop in a make believe town of shapes. In this geometry lesson, 10th graders work together to put up an ice cream stand in an ideal location and solve for the minimum given the...
Curated OER
Proving that You Have Found the Minimum
Tenth graders pretend to set up an ice cream shop in a make believe town of shapes. In this geometry lesson, 10th graders work together to put up an ice cream stand in an ideal location and solve for the minimum given the shapes.
Curated OER
Triangle Sum Theorem
Tenth graders investigate the theorems of angles and lines to prove triagle sum theorem. For this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how...
Curated OER
Triangles in My Life
Tenth graders investigate where in the real world triangles are used. In this geometry lesson plan, 10th graders write an essay describing where in their lives triangles are used. They can use food, buildings, clothing or anything...
Curated OER
Scale
Students apply concepts of scales to solve problems. In this geometry lesson, students solve real world problems using scales, proportions and ratios. They predict the actual size of a model given the scale drawings.
Curated OER
Indirect Measurement
Learners measure and apply their knowledge of proportion to solve problems. In this geometry lesson, students measure using a meter stick, small mirror and measuring tape. They compare and contrast their measurements to objects outside...
Curated OER
Measuring the Egyptian Way using the Pythagorean Theorem
Students measure using the Pythagorean Theorem. In this geometry instructional activity, students solve right triangles using the properties of the Pythagorean theorem. They apply the same knowledge to solving story problems.
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